Merge branch 'refs/heads/develop' into feature/unit-tests

Conflicts:
	user_guide/helpers/number_helper.html

19 files changed, 771 insertions, 202 deletions

diff --git a/application/config/autoload.php b/application/config/autoload.php
index 53129c9c6..a45567b22 100644
--- a/application/config/autoload.php
+++ b/application/config/autoload.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------
 | AUTO-LOADER
diff --git a/application/config/config.php b/application/config/config.php
index 880393c29..808cc33bd 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -1,4 +1,29 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
 
 /*
 |--------------------------------------------------------------------------
@@ -79,6 +104,8 @@ $config['language']	= 'english';
 | This determines which character set is used by default in various methods
 | that require a character set to be provided.
 |
+| See http://php.net/htmlspecialchars for a list of supported charsets.
+|
 */
 $config['charset'] = 'UTF-8';
 
diff --git a/application/config/constants.php b/application/config/constants.php
index 4a879d360..3b79a0363 100644
--- a/application/config/constants.php
+++ b/application/config/constants.php
@@ -1,4 +1,29 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
 
 /*
 |--------------------------------------------------------------------------
@@ -36,6 +61,18 @@ define('FOPEN_READ_WRITE_CREATE',				'a+b');
 define('FOPEN_WRITE_CREATE_STRICT',				'xb');
 define('FOPEN_READ_WRITE_CREATE_STRICT',		'x+b');
 
+/*
+|--------------------------------------------------------------------------
+| Display Debug backtrace
+|--------------------------------------------------------------------------
+|
+| If set to TRUE, a backtrace will be displayed along with php errors. If 
+| error_reporting is disabled, the backtrace will not display, regardless 
+| of this setting
+|
+*/
+define('SHOW_DEBUG_BACKTRACE', TRUE);
+
 
 /* End of file constants.php */
 /* Location: ./application/config/constants.php */
\ No newline at end of file
diff --git a/application/config/database.php b/application/config/database.php
index b4b34bf66..28b792f75 100644
--- a/application/config/database.php
+++ b/application/config/database.php
@@ -1,4 +1,29 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
 /*
 | -------------------------------------------------------------------
 | DATABASE CONNECTIVITY SETTINGS
@@ -17,7 +42,7 @@
 |	['password'] The password used to connect to the database
 |	['database'] The name of the database you want to connect to
 |	['dbdriver'] The database type. ie: mysql.  Currently supported:
-				 mysql, mysqli, postgre, odbc, mssql, sqlite, oci8
+				 mysql, mysqli, pdo, postgre, odbc, mssql, sqlite, oci8
 |	['dbprefix'] You can add an optional prefix, which will be added
 |				 to the table name when using the  Active Record class
 |	['pconnect'] TRUE/FALSE - Whether to use a persistent connection
diff --git a/application/config/doctypes.php b/application/config/doctypes.php
index f7e1d19a2..48ccc053d 100644
--- a/application/config/doctypes.php
+++ b/application/config/doctypes.php
@@ -1,10 +1,36 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
 
 $_doctypes = array(
 					'xhtml11'		=> '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',
 					'xhtml1-strict'	=> '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
 					'xhtml1-trans'	=> '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
 					'xhtml1-frame'	=> '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
+					'xhtml-basic11'	=> '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">',
 					'html5'			=> '<!DOCTYPE html>',
 					'html4-strict'	=> '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
 					'html4-trans'	=> '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
diff --git a/application/config/foreign_chars.php b/application/config/foreign_chars.php
index 14b0d7373..691762338 100644
--- a/application/config/foreign_chars.php
+++ b/application/config/foreign_chars.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------
 | Foreign Characters
@@ -18,8 +44,8 @@ $foreign_characters = array(
 	'/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª/' => 'a',
 	'/Ç|Ć|Ĉ|Ċ|Č/' => 'C',
 	'/ç|ć|ĉ|ċ|č/' => 'c',
-	'/Ð|Ď|Đ/' => 'D',
-	'/ð|ď|đ/' => 'd',
+	'/Ð|Ď|Đ/' => 'Dj',
+	'/ð|ď|đ/' => 'dj',
 	'/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě/' => 'E',
 	'/è|é|ê|ë|ē|ĕ|ė|ę|ě/' => 'e',
 	'/Ĝ|Ğ|Ġ|Ģ/' => 'G',
diff --git a/application/config/hooks.php b/application/config/hooks.php
index a4ad2be6d..000ae514c 100644
--- a/application/config/hooks.php
+++ b/application/config/hooks.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------------
 | Hooks
diff --git a/application/config/migration.php b/application/config/migration.php
index dba870010..4fb027b8e 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -1,42 +1,93 @@
-<?php defined('BASEPATH') OR exit('No direct script access allowed');

-/*

-|--------------------------------------------------------------------------

-| Enable/Disable Migrations

-|--------------------------------------------------------------------------

-|

-| Migrations are disabled by default for security reasons.

-| You should enable migrations whenever you intend to do a schema migration

-| and disable it back when you're done.

-|

-*/

-$config['migration_enabled'] = FALSE;

-

-

-/*

-|--------------------------------------------------------------------------

-| Migrations version

-|--------------------------------------------------------------------------

-|

-| This is used to set migration version that the file system should be on.

-| If you run $this->migration->latest() this is the version that schema will

-| be upgraded / downgraded to.

-|

-*/

-$config['migration_version'] = 0;

-

-

-/*

-|--------------------------------------------------------------------------

-| Migrations Path

-|--------------------------------------------------------------------------

-|

-| Path to your migrations folder.

-| Typically, it will be within your application path.

-| Also, writing permission is required within the migrations path.

-|

-*/

-$config['migration_path'] = APPPATH . 'migrations/';

-

-

-/* End of file migration.php */

-/* Location: ./application/config/migration.php */
\ No newline at end of file
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Academic Free License version 3.0
+ *
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+/*
+|--------------------------------------------------------------------------
+| Enable/Disable Migrations
+|--------------------------------------------------------------------------
+|
+| Migrations are disabled by default for security reasons.
+| You should enable migrations whenever you intend to do a schema migration
+| and disable it back when you're done.
+|
+*/
+$config['migration_enabled'] = FALSE;
+
+/*
+|--------------------------------------------------------------------------
+| Migrations table
+|--------------------------------------------------------------------------
+|
+| This is the name of the table that will store the current migrations state.
+| When migrations runs it will store in a database table which migration
+| level the system is at. It then compares the migration level in the this
+| table to the $config['migration_version'] if they are not the same it
+| will migrate up. This must be set.
+|
+*/
+$config['migration_table'] = 'migrations';
+
+/*
+|--------------------------------------------------------------------------
+| Auto Migrate To Latest
+|--------------------------------------------------------------------------
+|
+| If this is set to TRUE when you load the migrations class and have
+| $config['migration_enabled'] set to TRUE the system will auto migrate
+| to your latest migration (whatever $config['migration_version'] is
+| set to). This way you do not have to call migrations anywhere else
+| in your code to have the latest migration.
+|
+*/
+$config['migration_auto_latest'] = FALSE;
+
+/*
+|--------------------------------------------------------------------------
+| Migrations version
+|--------------------------------------------------------------------------
+|
+| This is used to set migration version that the file system should be on.
+| If you run $this->migration->current() this is the version that schema will
+| be upgraded / downgraded to.
+|
+*/
+$config['migration_version'] = 0;
+
+/*
+|--------------------------------------------------------------------------
+| Migrations Path
+|--------------------------------------------------------------------------
+|
+| Path to your migrations folder.
+| Typically, it will be within your application path.
+| Also, writing permission is required within the migrations path.
+|
+*/
+$config['migration_path'] = APPPATH . 'migrations/';
+
+
+/* End of file migration.php */
\ No newline at end of file
diff --git a/application/config/mimes.php b/application/config/mimes.php
index 90a1d18bb..c43f1fc2f 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------
 | MIME TYPES
@@ -8,7 +34,7 @@
 |
 */
 
-$mimes = array('hqx'   =>      array('application/mac-binhex40', 'application/mac-binhex', 'application/x-binhex40', 'application/x-mac-binhex40'),
+$mimes = array('hqx'	=>	array('application/mac-binhex40', 'application/mac-binhex', 'application/x-binhex40', 'application/x-mac-binhex40'),
 				'cpt'	=>	'application/mac-compactpro',
 				'csv'	=>	array('text/x-comma-separated-values', 'text/comma-separated-values', 'application/octet-stream', 'application/vnd.ms-excel', 'application/x-csv', 'text/x-csv', 'text/csv', 'application/csv', 'application/excel', 'application/vnd.msexcel'),
 				'bin'	=>	array('application/macbinary', 'application/mac-binary', 'application/octet-stream', 'application/x-binary', 'application/x-macbinary'),
@@ -31,6 +57,7 @@ $mimes = array('hqx'   =>      array('application/mac-binhex40', 'application/ma
 				'mif'	=>	'application/vnd.mif',
 				'xls'	=>	array('application/excel', 'application/vnd.ms-excel', 'application/msexcel'),
 				'ppt'	=>	array('application/powerpoint', 'application/vnd.ms-powerpoint'),
+				'pptx'	=> 	'application/vnd.openxmlformats-officedocument.presentationml.presentation',
 				'wbxml'	=>	'application/wbxml',
 				'wmlc'	=>	'application/wmlc',
 				'dcr'	=>	'application/x-director',
@@ -66,7 +93,7 @@ $mimes = array('hqx'   =>      array('application/mac-binhex40', 'application/ma
 				'rpm'	=>	'audio/x-pn-realaudio-plugin',
 				'ra'	=>	'audio/x-realaudio',
 				'rv'	=>	'video/vnd.rn-realvideo',
-				'wav'	=>	'audio/x-wav',
+				'wav'	=>	array('audio/x-wav', 'audio/wave', 'audio/wav'),
 				'bmp'	=>	array('image/bmp', 'image/x-windows-bmp'),
 				'gif'	=>	'image/gif',
 				'jpeg'	=>	array('image/jpeg', 'image/pjpeg'),
@@ -137,4 +164,4 @@ $mimes = array('hqx'   =>      array('application/mac-binhex40', 'application/ma
 
 
 /* End of file mimes.php */
-/* Location: ./application/config/mimes.php */
\ No newline at end of file
+/* Location: ./application/config/mimes.php */
diff --git a/application/config/profiler.php b/application/config/profiler.php
index f8a5b1a1e..b0bd2cd1f 100644
--- a/application/config/profiler.php
+++ b/application/config/profiler.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------------
 | Profiler Sections
diff --git a/application/config/routes.php b/application/config/routes.php
index 5f9a58343..b7f4056a5 100644
--- a/application/config/routes.php
+++ b/application/config/routes.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------------
 | URI ROUTING
@@ -23,7 +49,7 @@
 | RESERVED ROUTES
 | -------------------------------------------------------------------------
 |
-| There area two reserved routes:
+| There are two reserved routes:
 |
 |	$route['default_controller'] = 'welcome';
 |
diff --git a/application/config/smileys.php b/application/config/smileys.php
index 25d28b2c4..ada329aa1 100644
--- a/application/config/smileys.php
+++ b/application/config/smileys.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------
 | SMILEYS
@@ -60,7 +86,7 @@ $smileys = array(
 	':exclaim:'		=>	array('exclaim.gif',		'19',	'19',	'excaim'),
 	':question:'	=>	array('question.gif',		'19',	'19',	'question') // no comma after last item
 
-		);
+);
 
 /* End of file smileys.php */
 /* Location: ./application/config/smileys.php */
\ No newline at end of file
diff --git a/application/config/user_agents.php b/application/config/user_agents.php
index 4746f2fcd..c3c7eaecb 100644
--- a/application/config/user_agents.php
+++ b/application/config/user_agents.php
@@ -1,4 +1,30 @@
 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Academic Free License version 3.0
+ *
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
 /*
 | -------------------------------------------------------------------
 | USER AGENT TYPES
@@ -11,169 +37,178 @@
 */
 
 $platforms = array (
-					'windows nt 6.0'	=> 'Windows Longhorn',
-					'windows nt 5.2'	=> 'Windows 2003',
-					'windows nt 5.0'	=> 'Windows 2000',
-					'windows nt 5.1'	=> 'Windows XP',
-					'windows nt 4.0'	=> 'Windows NT 4.0',
-					'winnt4.0'			=> 'Windows NT 4.0',
-					'winnt 4.0'			=> 'Windows NT',
-					'winnt'				=> 'Windows NT',
-					'windows 98'		=> 'Windows 98',
-					'win98'				=> 'Windows 98',
-					'windows 95'		=> 'Windows 95',
-					'win95'				=> 'Windows 95',
-					'windows'			=> 'Unknown Windows OS',
-					'os x'				=> 'Mac OS X',
-					'ppc mac'			=> 'Power PC Mac',
-					'freebsd'			=> 'FreeBSD',
-					'ppc'				=> 'Macintosh',
-					'linux'				=> 'Linux',
-					'debian'			=> 'Debian',
-					'sunos'				=> 'Sun Solaris',
-					'beos'				=> 'BeOS',
-					'apachebench'		=> 'ApacheBench',
-					'aix'				=> 'AIX',
-					'irix'				=> 'Irix',
-					'osf'				=> 'DEC OSF',
-					'hp-ux'				=> 'HP-UX',
-					'netbsd'			=> 'NetBSD',
-					'bsdi'				=> 'BSDi',
-					'openbsd'			=> 'OpenBSD',
-					'gnu'				=> 'GNU/Linux',
-					'unix'				=> 'Unknown Unix OS'
-				);
+	'windows nt 6.1'	=> 'Windows 7',
+	'windows nt 6.0'	=> 'Windows Vista',
+	'windows nt 5.2'	=> 'Windows 2003',
+	'windows nt 5.1'	=> 'Windows XP',
+	'windows nt 5.0'	=> 'Windows 2000',
+	'windows nt 4.0'	=> 'Windows NT 4.0',
+	'winnt4.0'			=> 'Windows NT 4.0',
+	'winnt 4.0'			=> 'Windows NT',
+	'winnt'				=> 'Windows NT',
+	'windows 98'		=> 'Windows 98',
+	'win98'				=> 'Windows 98',
+	'windows 95'		=> 'Windows 95',
+	'win95'				=> 'Windows 95',
+	'windows'			=> 'Unknown Windows OS',
+	'os x'				=> 'Mac OS X',
+	'ppc mac'			=> 'Power PC Mac',
+	'freebsd'			=> 'FreeBSD',
+	'ppc'				=> 'Macintosh',
+	'linux'				=> 'Linux',
+	'debian'			=> 'Debian',
+	'sunos'				=> 'Sun Solaris',
+	'beos'				=> 'BeOS',
+	'apachebench'		=> 'ApacheBench',
+	'aix'				=> 'AIX',
+	'irix'				=> 'Irix',
+	'osf'				=> 'DEC OSF',
+	'hp-ux'				=> 'HP-UX',
+	'netbsd'			=> 'NetBSD',
+	'bsdi'				=> 'BSDi',
+	'openbsd'			=> 'OpenBSD',
+	'gnu'				=> 'GNU/Linux',
+	'unix'				=> 'Unknown Unix OS'
+);
 
 
 // The order of this array should NOT be changed. Many browsers return
 // multiple browser types so we want to identify the sub-type first.
 $browsers = array(
-					'Flock'				=> 'Flock',
-					'Chrome'			=> 'Chrome',
-					'Opera'				=> 'Opera',
-					'MSIE'				=> 'Internet Explorer',
-					'Internet Explorer'	=> 'Internet Explorer',
-					'Shiira'			=> 'Shiira',
-					'Firefox'			=> 'Firefox',
-					'Chimera'			=> 'Chimera',
-					'Phoenix'			=> 'Phoenix',
-					'Firebird'			=> 'Firebird',
-					'Camino'			=> 'Camino',
-					'Netscape'			=> 'Netscape',
-					'OmniWeb'			=> 'OmniWeb',
-					'Safari'			=> 'Safari',
-					'Mozilla'			=> 'Mozilla',
-					'Konqueror'			=> 'Konqueror',
-					'icab'				=> 'iCab',
-					'Lynx'				=> 'Lynx',
-					'Links'				=> 'Links',
-					'hotjava'			=> 'HotJava',
-					'amaya'				=> 'Amaya',
-					'IBrowse'			=> 'IBrowse'
-				);
+	'Flock'			=> 'Flock',
+	'Chrome'		=> 'Chrome',
+	'Opera'			=> 'Opera',
+	'MSIE'			=> 'Internet Explorer',
+	'Internet Explorer'	=> 'Internet Explorer',
+	'Shiira'		=> 'Shiira',
+	'Firefox'		=> 'Firefox',
+	'Chimera'		=> 'Chimera',
+	'Phoenix'		=> 'Phoenix',
+	'Firebird'		=> 'Firebird',
+	'Camino'		=> 'Camino',
+	'Netscape'		=> 'Netscape',
+	'OmniWeb'		=> 'OmniWeb',
+	'Safari'		=> 'Safari',
+	'Mozilla'		=> 'Mozilla',
+	'Konqueror'		=> 'Konqueror',
+	'icab'			=> 'iCab',
+	'Lynx'			=> 'Lynx',
+	'Links'			=> 'Links',
+	'hotjava'		=> 'HotJava',
+	'amaya'			=> 'Amaya',
+	'IBrowse'		=> 'IBrowse'
+);
 
 $mobiles = array(
-					// legacy array, old values commented out
-					'mobileexplorer'	=> 'Mobile Explorer',
-//					'openwave'			=> 'Open Wave',
-//					'opera mini'		=> 'Opera Mini',
-//					'operamini'			=> 'Opera Mini',
-//					'elaine'			=> 'Palm',
-					'palmsource'		=> 'Palm',
-//					'digital paths'		=> 'Palm',
-//					'avantgo'			=> 'Avantgo',
-//					'xiino'				=> 'Xiino',
-					'palmscape'			=> 'Palmscape',
-//					'nokia'				=> 'Nokia',
-//					'ericsson'			=> 'Ericsson',
-//					'blackberry'		=> 'BlackBerry',
-//					'motorola'			=> 'Motorola'
+	// legacy array, old values commented out
+	'mobileexplorer'	=> 'Mobile Explorer',
+//  'openwave'			=> 'Open Wave',
+//	'opera mini'		=> 'Opera Mini',
+//	'operamini'			=> 'Opera Mini',
+//	'elaine'			=> 'Palm',
+	'palmsource'		=> 'Palm',
+//	'digital paths'		=> 'Palm',
+//	'avantgo'			=> 'Avantgo',
+//	'xiino'				=> 'Xiino',
+	'palmscape'			=> 'Palmscape',
+//	'nokia'				=> 'Nokia',
+//	'ericsson'			=> 'Ericsson',
+//	'blackberry'		=> 'BlackBerry',
+//	'motorola'			=> 'Motorola'
 
-					// Phones and Manufacturers
-					'motorola'			=> "Motorola",
-					'nokia'				=> "Nokia",
-					'palm'				=> "Palm",
-					'iphone'			=> "Apple iPhone",
-					'ipad'				=> "iPad",
-					'ipod'				=> "Apple iPod Touch",
-					'sony'				=> "Sony Ericsson",
-					'ericsson'			=> "Sony Ericsson",
-					'blackberry'		=> "BlackBerry",
-					'cocoon'			=> "O2 Cocoon",
-					'blazer'			=> "Treo",
-					'lg'				=> "LG",
-					'amoi'				=> "Amoi",
-					'xda'				=> "XDA",
-					'mda'				=> "MDA",
-					'vario'				=> "Vario",
-					'htc'				=> "HTC",
-					'samsung'			=> "Samsung",
-					'sharp'				=> "Sharp",
-					'sie-'				=> "Siemens",
-					'alcatel'			=> "Alcatel",
-					'benq'				=> "BenQ",
-					'ipaq'				=> "HP iPaq",
-					'mot-'				=> "Motorola",
-					'playstation portable'	=> "PlayStation Portable",
-					'hiptop'			=> "Danger Hiptop",
-					'nec-'				=> "NEC",
-					'panasonic'			=> "Panasonic",
-					'philips'			=> "Philips",
-					'sagem'				=> "Sagem",
-					'sanyo'				=> "Sanyo",
-					'spv'				=> "SPV",
-					'zte'				=> "ZTE",
-					'sendo'				=> "Sendo",
+	// Phones and Manufacturers
+	'motorola'		=> "Motorola",
+	'nokia'			=> "Nokia",
+	'palm'			=> "Palm",
+	'iphone'		=> "Apple iPhone",
+	'ipad'			=> "iPad",
+	'ipod'			=> "Apple iPod Touch",
+	'sony'			=> "Sony Ericsson",
+	'ericsson'		=> "Sony Ericsson",
+	'blackberry'	=> "BlackBerry",
+	'cocoon'		=> "O2 Cocoon",
+	'blazer'		=> "Treo",
+	'lg'			=> "LG",
+	'amoi'			=> "Amoi",
+	'xda'			=> "XDA",
+	'mda'			=> "MDA",
+	'vario'			=> "Vario",
+	'htc'			=> "HTC",
+	'samsung'		=> "Samsung",
+	'sharp'			=> "Sharp",
+	'sie-'			=> "Siemens",
+	'alcatel'		=> "Alcatel",
+	'benq'			=> "BenQ",
+	'ipaq'			=> "HP iPaq",
+	'mot-'			=> "Motorola",
+	'playstation portable'	=> "PlayStation Portable",
+	'hiptop'		=> "Danger Hiptop",
+	'nec-'			=> "NEC",
+	'panasonic'		=> "Panasonic",
+	'philips'		=> "Philips",
+	'sagem'			=> "Sagem",
+	'sanyo'			=> "Sanyo",
+	'spv'			=> "SPV",
+	'zte'			=> "ZTE",
+	'sendo'			=> "Sendo",
+	'dsi'			=> "Nintendo DSi",
+	'ds'			=> "Nintendo DS",
+	'wii'			=> "Nintendo Wii",
+	'3ds'			=> "Nintendo 3DS",
+	'open web'		=> "Open Web",
+	'openweb'		=> "OpenWeb",
 
-					// Operating Systems
-					'android'				=> "Android",
-					'symbian'				=> "Symbian",
-					'SymbianOS'				=> "SymbianOS",
-					'elaine'				=> "Palm",
-					'palm'					=> "Palm",
-					'series60'				=> "Symbian S60",
-					'windows ce'			=> "Windows CE",
+	// Operating Systems
+	'android'		=> "Android",
+	'symbian'		=> "Symbian",
+	'SymbianOS'		=> "SymbianOS",
+	'elaine'		=> "Palm",
+	'palm'			=> "Palm",
+	'series60'		=> "Symbian S60",
+	'windows ce'	=> "Windows CE",
 
-					// Browsers
-					'obigo'					=> "Obigo",
-					'netfront'				=> "Netfront Browser",
-					'openwave'				=> "Openwave Browser",
-					'mobilexplorer'			=> "Mobile Explorer",
-					'operamini'				=> "Opera Mini",
-					'opera mini'			=> "Opera Mini",
+	// Browsers
+	'obigo'			=> "Obigo",
+	'netfront'		=> "Netfront Browser",
+	'openwave'		=> "Openwave Browser",
+	'mobilexplorer'	=> "Mobile Explorer",
+	'operamini'		=> "Opera Mini",
+	'opera mini'	=> "Opera Mini",
+	'opera mobi'	=> "Opera Mini",
 
-					// Other
-					'digital paths'			=> "Digital Paths",
-					'avantgo'				=> "AvantGo",
-					'xiino'					=> "Xiino",
-					'novarra'				=> "Novarra Transcoder",
-					'vodafone'				=> "Vodafone",
-					'docomo'				=> "NTT DoCoMo",
-					'o2'					=> "O2",
+	// Other
+	'digital paths'	=> "Digital Paths",
+	'avantgo'		=> "AvantGo",
+	'xiino'			=> "Xiino",
+	'novarra'		=> "Novarra Transcoder",
+	'vodafone'		=> "Vodafone",
+	'docomo'		=> "NTT DoCoMo",
+	'o2'			=> "O2",
 
-					// Fallback
-					'mobile'				=> "Generic Mobile",
-					'wireless'				=> "Generic Mobile",
-					'j2me'					=> "Generic Mobile",
-					'midp'					=> "Generic Mobile",
-					'cldc'					=> "Generic Mobile",
-					'up.link'				=> "Generic Mobile",
-					'up.browser'			=> "Generic Mobile",
-					'smartphone'			=> "Generic Mobile",
-					'cellphone'				=> "Generic Mobile"
-				);
+	// Fallback
+	'mobile'		=> "Generic Mobile",
+	'wireless'		=> "Generic Mobile",
+	'j2me'			=> "Generic Mobile",
+	'midp'			=> "Generic Mobile",
+	'cldc'			=> "Generic Mobile",
+	'up.link'		=> "Generic Mobile",
+	'up.browser'	=> "Generic Mobile",
+	'smartphone'	=> "Generic Mobile",
+	'cellphone'		=> "Generic Mobile"
+);
 
 // There are hundreds of bots but these are the most common.
 $robots = array(
-					'googlebot'			=> 'Googlebot',
-					'msnbot'			=> 'MSNBot',
-					'slurp'				=> 'Inktomi Slurp',
-					'yahoo'				=> 'Yahoo',
-					'askjeeves'			=> 'AskJeeves',
-					'fastcrawler'		=> 'FastCrawler',
-					'infoseek'			=> 'InfoSeek Robot 1.0',
-					'lycos'				=> 'Lycos'
-				);
+	'googlebot'		=> 'Googlebot',
+	'msnbot'		=> 'MSNBot',
+	'bingbot'		=> 'Bing',
+	'slurp'			=> 'Inktomi Slurp',
+	'yahoo'			=> 'Yahoo',
+	'askjeeves'		=> 'AskJeeves',
+	'fastcrawler'	=> 'FastCrawler',
+	'infoseek'		=> 'InfoSeek Robot 1.0',
+	'lycos'			=> 'Lycos'
+);
 
 /* End of file user_agents.php */
-/* Location: ./application/config/user_agents.php */
\ No newline at end of file
+/* Location: ./application/config/user_agents.php */
diff --git a/application/controllers/welcome.php b/application/controllers/welcome.php
index 21bef43d9..0757f2d79 100644
--- a/application/controllers/welcome.php
+++ b/application/controllers/welcome.php
@@ -1,4 +1,29 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
 
 class Welcome extends CI_Controller {
 
diff --git a/application/errors/error_404.php b/application/errors/error_404.php
index 792726a67..eb98deb71 100644
--- a/application/errors/error_404.php
+++ b/application/errors/error_404.php
@@ -1,6 +1,35 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
+<meta charset="utf-8">
 <title>404 Page Not Found</title>
 <style type="text/css">
 
diff --git a/application/errors/error_db.php b/application/errors/error_db.php
index b396cda9f..a53c38992 100644
--- a/application/errors/error_db.php
+++ b/application/errors/error_db.php
@@ -1,6 +1,35 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
+<meta charset="utf-8">
 <title>Database Error</title>
 <style type="text/css">
 
diff --git a/application/errors/error_general.php b/application/errors/error_general.php
index fd63ce2c5..7d9a29f4e 100644
--- a/application/errors/error_general.php
+++ b/application/errors/error_general.php
@@ -1,6 +1,35 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
+<meta charset="utf-8">
 <title>Error</title>
 <style type="text/css">
 
diff --git a/application/errors/error_php.php b/application/errors/error_php.php
index f085c2037..1bf245465 100644
--- a/application/errors/error_php.php
+++ b/application/errors/error_php.php
@@ -1,3 +1,31 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+?>
+
 <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">
 
 <h4>A PHP Error was encountered</h4>
@@ -7,4 +35,21 @@
 <p>Filename: <?php echo $filepath; ?></p>
 <p>Line Number: <?php echo $line; ?></p>
 
+<?php if(defined('SHOW_DEBUG_BACKTRACE') && SHOW_DEBUG_BACKTRACE === TRUE): ?>
+	
+	<p>Backtrace: </p>
+	<?php foreach(debug_backtrace() as $error): ?>
+	
+		<?php if(isset($error['file']) &&  ! stristr($error['file'], SYSDIR)): ?>
+			<p style="margin-left:10px">
+			File: <?php echo $error['file'] ?><br />
+			Line: <?php echo $error['line'] ?><br />
+			Function: <?php echo $error['function'] ?>
+			</p>
+		<?php endif ?>
+	
+	<?php endforeach ?></p>
+
+<?php endif ?>
+
 </div>
\ No newline at end of file
diff --git a/application/views/welcome_message.php b/application/views/welcome_message.php
index 0bf5a8d2e..709045392 100644
--- a/application/views/welcome_message.php
+++ b/application/views/welcome_message.php
@@ -1,3 +1,31 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ * 
+ * Licensed under the Academic Free License version 3.0
+ * 
+ * This source file is subject to the Academic Free License (AFL 3.0) that is
+ * bundled with this package in the files license_afl.txt / license_afl.rst.
+ * It is also available through the world wide web at this URL:
+ * http://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @license		http://opensource.org/licenses/AFL-3.0 Academic Free License (AFL 3.0)
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
@@ -81,7 +109,7 @@
 		<p>If you are exploring CodeIgniter for the very first time, you should start by reading the <a href="user_guide/">User Guide</a>.</p>
 	</div>
 
-	<p class="footer">Page rendered in <strong>{elapsed_time}</strong> seconds</p>
+	<p class="footer">Page rendered in <strong>{elapsed_time}</strong> seconds. <?php echo  (ENVIRONMENT == 'development') ?  'CodeIgniter Version <strong>' . CI_VERSION . '</strong>' : '' ?></p>
 </div>
 
 </body>