Merge branch 'refs/heads/develop' into feature/form_error_msgs

Conflicts:
	system/language/english/form_validation_lang.php
	user_guide_src/source/libraries/form_validation.rst

Signed-off-by: Eric Roberts <eric@cryode.com>

18 files changed, 442 insertions, 305 deletions

diff --git a/application/.htaccess b/application/.htaccess
index 14249c50b..6c63ed4c4 100644
--- a/application/.htaccess
+++ b/application/.htaccess
@@ -1 +1,6 @@
-Deny from all
\ No newline at end of file
+<IfModule authz_core_module>
+    Require all denied
+</IfModule>
+<IfModule !authz_core_module>
+    Deny from all
+</IfModule>
\ No newline at end of file
diff --git a/application/cache/.htaccess b/application/cache/.htaccess
index 3418e55a6..6c63ed4c4 100644
--- a/application/cache/.htaccess
+++ b/application/cache/.htaccess
@@ -1 +1,6 @@
-deny from all
\ No newline at end of file
+<IfModule authz_core_module>
+    Require all denied
+</IfModule>
+<IfModule !authz_core_module>
+    Deny from all
+</IfModule>
\ No newline at end of file
diff --git a/application/config/autoload.php b/application/config/autoload.php
index b3e63cbf6..ff153fb48 100644
--- a/application/config/autoload.php
+++ b/application/config/autoload.php
@@ -46,10 +46,11 @@
 |
 | 1. Packages
 | 2. Libraries
-| 3. Helper files
-| 4. Custom config files
-| 5. Language files
-| 6. Models
+| 3. Drivers
+| 4. Helper files
+| 5. Custom config files
+| 6. Language files
+| 7. Models
 |
 */
 
@@ -75,7 +76,7 @@ $autoload['packages'] = array();
 |
 | Prototype:
 |
-|	$autoload['libraries'] = array('database', 'session', 'xmlrpc');
+|	$autoload['libraries'] = array('database', 'email', 'xmlrpc');
 */
 
 $autoload['libraries'] = array();
@@ -83,6 +84,22 @@ $autoload['libraries'] = array();
 
 /*
 | -------------------------------------------------------------------
+|  Auto-load Drivers
+| -------------------------------------------------------------------
+| These classes are located in the system/libraries folder or in your
+| application/libraries folder within their own subdirectory. They
+| offer multiple interchangeable driver options.
+|
+| Prototype:
+|
+|	$autoload['drivers'] = array('session', 'cache');
+*/
+
+$autoload['drivers'] = array();
+
+
+/*
+| -------------------------------------------------------------------
 |  Auto-load Helper Files
 | -------------------------------------------------------------------
 | Prototype:
@@ -139,4 +156,4 @@ $autoload['model'] = array();
 
 
 /* End of file autoload.php */
-/* Location: ./application/config/autoload.php */
\ No newline at end of file
+/* Location: ./application/config/autoload.php */
diff --git a/application/config/config.php b/application/config/config.php
index 2628885f0..0562953b0 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -62,11 +62,11 @@ $config['index_page'] = 'index.php';
 | URI string.  The default setting of 'AUTO' works for most servers.
 | If your links do not seem to work, try one of the other delicious flavors:
 |
-| 'AUTO'			Default - auto detects
-| 'PATH_INFO'		Uses the PATH_INFO
-| 'QUERY_STRING'	Uses the QUERY_STRING
-| 'REQUEST_URI'		Uses the REQUEST_URI
-| 'ORIG_PATH_INFO'	Uses the ORIG_PATH_INFO
+| 'AUTO'		Default - auto detects
+| 'CLI' or 'argv'	Uses $_SERVER['argv'] (for php-cli only)
+| 'PATH_INFO'		Uses $_SERVER['PATH_INFO']
+| 'REQUEST_URI'		Uses $_SERVER['REQUEST_URI']
+| 'QUERY_STRING'	Uses $_SERVER['QUERY_STRING']
 |
 */
 $config['uri_protocol']	= 'AUTO';
@@ -204,7 +204,7 @@ $config['directory_trigger']	= 'd'; // experimental not currently in use
 |	4 = All Messages
 |
 | You can also pass in a array with threshold levels to show individual error types
-| 
+|
 | 	array(2) = Debug Messages, without Error Messages
 |
 | For a live site you'll usually only enable Errors (1) to be logged otherwise
@@ -253,7 +253,7 @@ $config['cache_path'] = '';
 |
 | If you use the Encryption class or the Session class you
 | MUST set an encryption key.  See the user guide for info.
-|  
+|
 | http://codeigniter.com/user_guide/libraries/encryption.html
 | http://codeigniter.com/user_guide/libraries/sessions.html
 |
@@ -265,6 +265,9 @@ $config['encryption_key'] = '';
 | Session Variables
 |--------------------------------------------------------------------------
 |
+| 'sess_driver'				= the driver to load: cookie (Classic), native (PHP sessions),
+|	or your custom driver name
+| 'sess_valid_drivers'		= additional valid drivers which may be loaded
 | 'sess_cookie_name'		= the name you want for the cookie
 | 'sess_expiration'			= the number of SECONDS you want the session to last.
 |   by default sessions last 7200 seconds (two hours).  Set to zero for no expiration.
@@ -278,6 +281,8 @@ $config['encryption_key'] = '';
 | 'sess_time_to_update'		= how many seconds between CI refreshing Session Information
 |
 */
+$config['sess_driver']			= 'cookie';
+$config['sess_valid_drivers']	= array();
 $config['sess_cookie_name']		= 'ci_session';
 $config['sess_expiration']		= 7200;
 $config['sess_expire_on_close']	= FALSE;
@@ -297,12 +302,12 @@ $config['sess_time_to_update']	= 300;
 | 'cookie_domain' = Set to .your-domain.com for site-wide cookies
 | 'cookie_path'   =  Typically will be a forward slash
 | 'cookie_secure' =  Cookies will only be set if a secure HTTPS connection exists.
-| 'cookie_httponly' = Cookie will only be accessible via HTTP(S) (no javascript) 
+| 'cookie_httponly' = Cookie will only be accessible via HTTP(S) (no javascript)
 |
 */
-$config['cookie_prefix']	= "";
-$config['cookie_domain']	= "";
-$config['cookie_path']		= "/";
+$config['cookie_prefix']	= '';
+$config['cookie_domain']	= '';
+$config['cookie_path']		= '/';
 $config['cookie_secure']	= FALSE;
 $config['cookie_httponly'] 	= FALSE;
 
@@ -359,13 +364,25 @@ $config['compress_output'] = FALSE;
 
 /*
 |--------------------------------------------------------------------------
+| Minify
+|--------------------------------------------------------------------------
+|
+| Removes extra characters (usually unnecessary spaces) from your
+| output for faster page load speeds.  Makes your outputted HTML source
+| code less readable.
+|
+*/
+$config['minify_output'] = FALSE;
+
+/*
+|--------------------------------------------------------------------------
 | Master Time Reference
 |--------------------------------------------------------------------------
 |
-| Options are 'local' or 'gmt'.  This pref tells the system whether to use
-| your server's local time as the master 'now' reference, or convert it to
-| GMT.  See the 'date helper' page of the user guide for information
-| regarding date handling.
+| Options are 'local' or any PHP supported timezone. This preference tells
+| the system whether to use your server's local time as the master 'now'
+| reference, or convert it to the configured one timezone. See the 'date
+| helper' page of the user guide for information regarding date handling.
 |
 */
 $config['time_reference'] = 'local';
@@ -389,14 +406,19 @@ $config['rewrite_short_tags'] = FALSE;
 | Reverse Proxy IPs
 |--------------------------------------------------------------------------
 |
-| If your server is behind a reverse proxy, you must whitelist the proxy IP
-| addresses from which CodeIgniter should trust the HTTP_X_FORWARDED_FOR
-| header in order to properly identify the visitor's IP address.
-| Comma-delimited, e.g. '10.0.1.200,10.0.1.201'
+| If your server is behind a reverse proxy, you must whitelist the proxy
+| IP addresses from which CodeIgniter should trust headers such as
+| HTTP_X_FORWARDED_FOR and HTTP_CLIENT_IP in order to properly identify
+| the visitor's IP address.
+|
+| You can use both an array or a comma-separated list of proxy addresses,
+| as well as specifying whole subnets. Here are a few examples:
 |
+| Comma-separated:	'10.0.1.200,192.168.5.0/24'
+| Array:		array('10.0.1.200', '192.168.5.0/24')
 */
 $config['proxy_ips'] = '';
 
 
 /* End of file config.php */
-/* Location: ./application/config/config.php */
+/* Location: ./application/config/config.php */
\ No newline at end of file
diff --git a/application/config/constants.php b/application/config/constants.php
index d22d2963e..62a18e761 100644
--- a/application/config/constants.php
+++ b/application/config/constants.php
@@ -52,14 +52,14 @@ define('DIR_WRITE_MODE', 0777);
 |
 */
 
-define('FOPEN_READ',							'rb');
-define('FOPEN_READ_WRITE',						'r+b');
-define('FOPEN_WRITE_CREATE_DESTRUCTIVE',		'wb'); // truncates existing file data, use with care
-define('FOPEN_READ_WRITE_CREATE_DESTRUCTIVE',	'w+b'); // truncates existing file data, use with care
-define('FOPEN_WRITE_CREATE',					'ab');
-define('FOPEN_READ_WRITE_CREATE',				'a+b');
-define('FOPEN_WRITE_CREATE_STRICT',				'xb');
-define('FOPEN_READ_WRITE_CREATE_STRICT',		'x+b');
+define('FOPEN_READ', 'rb');
+define('FOPEN_READ_WRITE', 'r+b');
+define('FOPEN_WRITE_CREATE_DESTRUCTIVE', 'wb'); // truncates existing file data, use with care
+define('FOPEN_READ_WRITE_CREATE_DESTRUCTIVE', 'w+b'); // truncates existing file data, use with care
+define('FOPEN_WRITE_CREATE', 'ab');
+define('FOPEN_READ_WRITE_CREATE', 'a+b');
+define('FOPEN_WRITE_CREATE_STRICT', 'xb');
+define('FOPEN_READ_WRITE_CREATE_STRICT', 'x+b');
 
 /*
 |--------------------------------------------------------------------------
diff --git a/application/config/database.php b/application/config/database.php
index 8c06dd2e6..32340263b 100644
--- a/application/config/database.php
+++ b/application/config/database.php
@@ -42,10 +42,12 @@
 |	['username'] The username used to connect to the database
 |	['password'] The password used to connect to the database
 |	['database'] The name of the database you want to connect to
-|	['dbdriver'] The database type. e.g.: mysql.  Currently supported:
-				 mysql, mysqli, pdo, postgre, odbc, mssql, sqlite, oci8
+|	['dbdriver'] The database driver. e.g.: mysqli.
+|			Currently supported:
+|				 cubrid, ibase, mssql, mysql, mysqli, oci8,
+|				 odbc, pdo, postgre, sqlite, sqlite3, sqlsrv
 |	['dbprefix'] You can add an optional prefix, which will be added
-|				 to the table name when using the  Active Record class
+|				 to the table name when using the  Query Builder class
 |	['pconnect'] TRUE/FALSE - Whether to use a persistent connection
 |	['db_debug'] TRUE/FALSE - Whether database errors should be displayed.
 |	['cache_on'] TRUE/FALSE - Enables/disables query caching
@@ -61,6 +63,8 @@
 | 				 Sites using Latin-1 or UTF-8 database character set and collation are unaffected.
 |	['swap_pre'] A default table prefix that should be swapped with the dbprefix
 |	['autoinit'] Whether or not to automatically initialize the database.
+|	['encrypt']  Whether or not to use an encrypted connection.
+|	['compress'] Whether or not to use client compression (MySQL only)
 |	['stricton'] TRUE/FALSE - forces 'Strict Mode' connections
 |							- good for ensuring strict SQL while developing
 |	['failover'] array - A array with 0 or more data for connections if the main should fail.
@@ -68,12 +72,12 @@
 | The $active_group variable lets you choose which connection group to
 | make active.  By default there is only one group (the 'default' group).
 |
-| The $active_record variables lets you determine whether or not to load
-| the active record class
+| The $query_builder variables lets you determine whether or not to load
+| the query builder class.
 */
 
 $active_group = 'default';
-$active_record = TRUE;
+$query_builder = TRUE;
 
 $db['default'] = array(
 	'dsn'	=> '',
@@ -83,7 +87,7 @@ $db['default'] = array(
 	'database' => '',
 	'dbdriver' => 'mysqli',
 	'dbprefix' => '',
-	'pconnect' => FALSE,
+	'pconnect' => TRUE,
 	'db_debug' => TRUE,
 	'cache_on' => FALSE,
 	'cachedir' => '',
@@ -91,6 +95,8 @@ $db['default'] = array(
 	'dbcollat' => 'utf8_general_ci',
 	'swap_pre' => '',
 	'autoinit' => TRUE,
+	'encrypt' => FALSE,
+	'compress' => FALSE,
 	'stricton' => FALSE,
 	'failover' => array()
 );
diff --git a/application/config/foreign_chars.php b/application/config/foreign_chars.php
index e2d3f236e..5a2bb0cf7 100644
--- a/application/config/foreign_chars.php
+++ b/application/config/foreign_chars.php
@@ -40,50 +40,83 @@ $foreign_characters = array(
 	'/Ä/' => 'Ae',
 	'/Ü/' => 'Ue',
 	'/Ö/' => 'Oe',
-	'/À|Á|Â|Ã|Ä|Å|Ǻ|Ā|Ă|Ą|Ǎ/' => 'A',
-	'/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª/' => 'a',
+	'/À|Á|Â|Ã|Ä|Å|Ǻ|Ā|Ă|Ą|Ǎ|Α|Ά|Ả|Ạ|Ầ|Ẫ|Ẩ|Ậ|Ằ|Ắ|Ẵ|Ẳ|Ặ|А/' => 'A',
+	'/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª|α|ά|ả|ạ|ầ|ấ|ẫ|ẩ|ậ|ằ|ắ|ẵ|ẳ|ặ|а/' => 'a',
+	'/Б/' => 'B',
+	'/б/' => 'b',
 	'/Ç|Ć|Ĉ|Ċ|Č/' => 'C',
 	'/ç|ć|ĉ|ċ|č/' => 'c',
-	'/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',
-	'/ĝ|ğ|ġ|ģ/' => 'g',
+	'/Д/' => 'D',
+	'/д/' => 'd',
+	'/Ð|Ď|Đ|Δ/' => 'Dj',
+	'/ð|ď|đ|δ/' => 'dj',
+	'/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě|Ε|Έ|Ẽ|Ẻ|Ẹ|Ề|Ế|Ễ|Ể|Ệ|Е|Ё|Э/' => 'E',
+	'/è|é|ê|ë|ē|ĕ|ė|ę|ě|έ|ε|ẽ|ẻ|ẹ|ề|ế|ễ|ể|ệ|е|ё|э/' => 'e',
+	'/Ф/' => 'F',
+	'/ф/' => 'f',
+	'/Ĝ|Ğ|Ġ|Ģ|Γ|Г/' => 'G',
+	'/ĝ|ğ|ġ|ģ|γ|г/' => 'g',
 	'/Ĥ|Ħ/' => 'H',
 	'/ĥ|ħ/' => 'h',
-	'/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ/' => 'I',
-	'/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı/' => 'i',
+	'/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ|Η|Ή|Ί|Ι|Ϊ|Ỉ|Ị|И|Й/' => 'I',
+	'/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı|η|ή|ί|ι|ϊ|ỉ|ị|и|й/' => 'i',
 	'/Ĵ/' => 'J',
 	'/ĵ/' => 'j',
-	'/Ķ/' => 'K',
-	'/ķ/' => 'k',
-	'/Ĺ|Ļ|Ľ|Ŀ|Ł/' => 'L',
-	'/ĺ|ļ|ľ|ŀ|ł/' => 'l',
-	'/Ñ|Ń|Ņ|Ň/' => 'N',
-	'/ñ|ń|ņ|ň|ʼn/' => 'n',
-	'/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ/' => 'O',
-	'/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º/' => 'o',
-	'/Ŕ|Ŗ|Ř/' => 'R',
-	'/ŕ|ŗ|ř/' => 'r',
-	'/Ś|Ŝ|Ş|Š/' => 'S',
-	'/ś|ŝ|ş|š|ſ/' => 's',
-	'/Ţ|Ť|Ŧ/' => 'T',
-	'/ţ|ť|ŧ/' => 't',
-	'/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ/' => 'U',
-	'/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ/' => 'u',
-	'/Ý|Ÿ|Ŷ/' => 'Y',
-	'/ý|ÿ|ŷ/' => 'y',
+	'/Ķ|Κ|К/' => 'K',
+	'/ķ|κ|к/' => 'k',
+	'/Ĺ|Ļ|Ľ|Ŀ|Ł|Λ|Л/' => 'L',
+	'/ĺ|ļ|ľ|ŀ|ł|λ|л/' => 'l',
+	'/М/' => 'M',
+	'/м/' => 'm',
+	'/Ñ|Ń|Ņ|Ň|Ν|Н/' => 'N',
+	'/ñ|ń|ņ|ň|ʼn|ν|н/' => 'n',
+	'/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ|Ο|Ό|Ω|Ώ|Ỏ|Ọ|Ồ|Ố|Ỗ|Ổ|Ộ|Ờ|Ớ|Ỡ|Ở|Ợ|О/' => 'O',
+	'/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º|ο|ό|ω|ώ|ỏ|ọ|ồ|ố|ỗ|ổ|ộ|ờ|ớ|ỡ|ở|ợ|о/' => 'o',
+	'/П/' => 'P',
+	'/п/' => 'p',
+	'/Ŕ|Ŗ|Ř|Ρ|Р/' => 'R',
+	'/ŕ|ŗ|ř|ρ|р/' => 'r',
+	'/Ś|Ŝ|Ş|Ș|Š|Σ|С/' => 'S',
+	'/ś|ŝ|ş|ș|š|ſ|σ|ς|с/' => 's',
+	'/Ț|Ţ|Ť|Ŧ|τ|Т/' => 'T',
+	'/ț|ţ|ť|ŧ|т/' => 't',
+	'/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ|Ũ|Ủ|Ụ|Ừ|Ứ|Ữ|Ử|Ự|У/' => 'U',
+	'/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ|υ|ύ|ϋ|ủ|ụ|ừ|ứ|ữ|ử|ự|у/' => 'u',
+	'/Ý|Ÿ|Ŷ|Υ|Ύ|Ϋ|Ỳ|Ỹ|Ỷ|Ỵ/' => 'Y',
+	'/ý|ÿ|ŷ|ỳ|ỹ|ỷ|ỵ/' => 'y',
+	'/В/' => 'V',
+	'/в/' => 'v',
 	'/Ŵ/' => 'W',
 	'/ŵ/' => 'w',
-	'/Ź|Ż|Ž/' => 'Z',
-	'/ź|ż|ž/' => 'z',
+	'/Ź|Ż|Ž|Ζ|З/' => 'Z',
+	'/ź|ż|ž|ζ|з/' => 'z',
 	'/Æ|Ǽ/' => 'AE',
 	'/ß/'=> 'ss',
 	'/IJ/' => 'IJ',
 	'/ij/' => 'ij',
 	'/Œ/' => 'OE',
-	'/ƒ/' => 'f'
+	'/ƒ/' => 'f',
+	'/ξ/' => 'ks',
+	'/π/' => 'p',
+	'/β/' => 'v',
+	'/μ/' => 'm',
+	'/ψ/' => 'ps',
+	'/Ж/'=>'Zh',
+	'/ж/'=>'zh',
+	'/Х/'=>'Kh',
+	'/х/'=>'kh',
+	'/Ц/'=>'Tc',
+	'/ц/'=>'tc',
+	'/Ч/'=>'Ch',
+	'/ч/'=>'ch',
+	'/Ш/'=>'Sh',
+	'/ш/'=>'sh',
+	'/Щ/'=>'Shch',
+	'/щ/'=>'shch',
+	'/Ю/'=>'Iu',
+	'/ю/'=>'iu',
+	'/Я/'=>'Ia',
+	'/я/'=>'ia'
 );
 
 /* End of file foreign_chars.php */
diff --git a/application/config/migration.php b/application/config/migration.php
index 88e398243..3ea3ef93c 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -39,12 +39,30 @@ $config['migration_enabled'] = FALSE;
 
 /*
 |--------------------------------------------------------------------------
+| Migration Type
+|--------------------------------------------------------------------------
+|
+| Migration file names may be based on a sequential identifier or on
+| a timestamp. Options are:
+|
+|   'sequential' = Default migration naming (001_add_blog.php)
+|   'timestamp'  = Timestamp migration naming (20121031104401_add_blog.php)
+|                  Use timestamp format YYYYMMDDHHIISS.
+|
+| If this configuration value is missing the Migration library defaults
+| to 'sequential' for backward compatibility.
+|
+*/
+$config['migration_type'] = 'timestamp';
+
+/*
+|--------------------------------------------------------------------------
 | 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
+| level the system is at. It then compares the migration level in this
 | table to the $config['migration_version'] if they are not the same it
 | will migrate up. This must be set.
 |
diff --git a/application/config/mimes.php b/application/config/mimes.php
index 02e12c011..ffbc2ee72 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -34,136 +34,145 @@
 |
 */
 
-$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'),
-				'dms'	=>	'application/octet-stream',
-				'lha'	=>	'application/octet-stream',
-				'lzh'	=>	'application/octet-stream',
-				'exe'	=>	array('application/octet-stream', 'application/x-msdownload'),
-				'class'	=>	'application/octet-stream',
-				'psd'	=>	'application/x-photoshop',
-				'so'	=>	'application/octet-stream',
-				'sea'	=>	'application/octet-stream',
-				'dll'	=>	'application/octet-stream',
-				'oda'	=>	'application/oda',
-				'pdf'	=>	array('application/pdf', 'application/x-download'),
-				'ai'	=>	'application/postscript',
-				'eps'	=>	'application/postscript',
-				'ps'	=>	'application/postscript',
-				'smi'	=>	'application/smil',
-				'smil'	=>	'application/smil',
-				'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',
-				'dir'	=>	'application/x-director',
-				'dxr'	=>	'application/x-director',
-				'dvi'	=>	'application/x-dvi',
-				'gtar'	=>	'application/x-gtar',
-				'gz'	=>	'application/x-gzip',
-				'gzip'  =>	'application/x-gzip',
-				'php'	=>	'application/x-httpd-php',
-				'php4'	=>	'application/x-httpd-php',
-				'php3'	=>	'application/x-httpd-php',
-				'phtml'	=>	'application/x-httpd-php',
-				'phps'	=>	'application/x-httpd-php-source',
-				'js'	=>	'application/x-javascript',
-				'swf'	=>	'application/x-shockwave-flash',
-				'sit'	=>	'application/x-stuffit',
-				'tar'	=>	'application/x-tar',
-				'tgz'	=>	array('application/x-tar', 'application/x-gzip-compressed'),
-				'xhtml'	=>	'application/xhtml+xml',
-				'xht'	=>	'application/xhtml+xml',
-				'zip'	=>	array('application/x-zip', 'application/zip', 'application/x-zip-compressed'),
-				'mid'	=>	'audio/midi',
-				'midi'	=>	'audio/midi',
-				'mpga'	=>	'audio/mpeg',
-				'mp2'	=>	'audio/mpeg',
-				'mp3'	=>	array('audio/mpeg', 'audio/mpg', 'audio/mpeg3', 'audio/mp3'),
-				'aif'	=>	array('audio/x-aiff', 'audio/aiff'),
-				'aiff'	=>	array('audio/x-aiff', 'audio/aiff'),
-				'aifc'	=>	'audio/x-aiff',
-				'ram'	=>	'audio/x-pn-realaudio',
-				'rm'	=>	'audio/x-pn-realaudio',
-				'rpm'	=>	'audio/x-pn-realaudio-plugin',
-				'ra'	=>	'audio/x-realaudio',
-				'rv'	=>	'video/vnd.rn-realvideo',
-				'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'),
-				'jpg'	=>	array('image/jpeg', 'image/pjpeg'),
-				'jpe'	=>	array('image/jpeg', 'image/pjpeg'),
-				'png'	=>	array('image/png',  'image/x-png'),
-				'tiff'	=>	'image/tiff',
-				'tif'	=>	'image/tiff',
-				'css'	=>	'text/css',
-				'html'	=>	'text/html',
-				'htm'	=>	'text/html',
-				'shtml'	=>	'text/html',
-				'txt'	=>	'text/plain',
-				'text'	=>	'text/plain',
-				'log'	=>	array('text/plain', 'text/x-log'),
-				'rtx'	=>	'text/richtext',
-				'rtf'	=>	'text/rtf',
-				'xml'	=>	array('application/xml', 'text/xml'),
-				'xsl'	=>	array('application/xml', 'text/xsl', 'text/xml'),
-				'mpeg'	=>	'video/mpeg',
-				'mpg'	=>	'video/mpeg',
-				'mpe'	=>	'video/mpeg',
-				'qt'	=>	'video/quicktime',
-				'mov'	=>	'video/quicktime',
-				'avi'	=>	array('video/x-msvideo', 'video/msvideo', 'video/avi', 'application/x-troff-msvideo'),
-				'movie'	=>	'video/x-sgi-movie',
-				'doc'	=>	array('application/msword', 'application/vnd.ms-office'),
-				'docx'	=>	array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip'),
-				'xlsx'	=>	array('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'application/zip'),
-				'word'	=>	array('application/msword', 'application/octet-stream'),
-				'xl'	=>	'application/excel',
-				'eml'	=>	'message/rfc822',
-				'json'  =>	array('application/json', 'text/json'),
-				'pem'   =>	array('application/x-x509-user-cert', 'application/x-pem-file', 'application/octet-stream'),
-				'p10'   =>	array('application/x-pkcs10', 'application/pkcs10'),
-				'p12'   =>	'application/x-pkcs12',
-				'p7a'   =>	'application/x-pkcs7-signature',
-				'p7c'   =>	array('application/pkcs7-mime', 'application/x-pkcs7-mime'),
-				'p7m'   =>	array('application/pkcs7-mime', 'application/x-pkcs7-mime'),
-				'p7r'   =>	'application/x-pkcs7-certreqresp',
-				'p7s'   =>	'application/pkcs7-signature',
-				'crt'   =>	array('application/x-x509-ca-cert', 'application/x-x509-user-cert', 'application/pkix-cert'),
-				'crl'   =>	array('application/pkix-crl', 'application/pkcs-crl'),
-				'der'   =>	'application/x-x509-ca-cert',
-				'kdb'   =>	'application/octet-stream',
-				'pgp'   =>	'application/pgp',
-				'gpg'   =>	'application/gpg-keys',
-				'sst'   =>	'application/octet-stream',
-				'csr'   =>	'application/octet-stream',
-				'rsa'   =>	'application/x-pkcs7',
-				'cer'   =>	array('application/pkix-cert', 'application/x-x509-ca-cert'),
-				'3g2'   =>	'video/3gpp2',
-				'3gp'   =>	'video/3gp',
-				'mp4'   =>	'video/mp4',
-				'm4a'   =>	'audio/x-m4a',
-				'f4v'   =>	'video/mp4',
-				'aac'   =>	'audio/x-acc',
-				'm4u'   =>	'application/vnd.mpegurl',
-				'm3u'   =>	'text/plain',
-				'xspf'  =>	'application/xspf+xml',
-				'vlc'   =>	'application/videolan',
-				'wmv'   =>	'video/x-ms-wmv',
-				'au'    =>	'audio/x-au',
-				'ac3'   =>	'audio/ac3',
-				'flac'  =>	'audio/x-flac',
-				'ogg'   =>	'audio/ogg',
-				'kmz'	=>	array('application/vnd.google-earth.kmz', 'application/zip', 'application/x-zip'),
-				'kml'	=>	array('application/vnd.google-earth.kml+xml', 'application/xml', 'text/xml')
-			);
+return 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', 'text/plain'),
+	'bin'	=>	array('application/macbinary', 'application/mac-binary', 'application/octet-stream', 'application/x-binary', 'application/x-macbinary'),
+	'dms'	=>	'application/octet-stream',
+	'lha'	=>	'application/octet-stream',
+	'lzh'	=>	'application/octet-stream',
+	'exe'	=>	array('application/octet-stream', 'application/x-msdownload'),
+	'class'	=>	'application/octet-stream',
+	'psd'	=>	'application/x-photoshop',
+	'so'	=>	'application/octet-stream',
+	'sea'	=>	'application/octet-stream',
+	'dll'	=>	'application/octet-stream',
+	'oda'	=>	'application/oda',
+	'pdf'	=>	array('application/pdf', 'application/x-download', 'binary/octet-stream'),
+	'ai'	=>	'application/postscript',
+	'eps'	=>	'application/postscript',
+	'ps'	=>	'application/postscript',
+	'smi'	=>	'application/smil',
+	'smil'	=>	'application/smil',
+	'mif'	=>	'application/vnd.mif',
+	'xls'	=>	array('application/vnd.ms-excel', 'application/msexcel', 'application/x-msexcel', 'application/x-ms-excel', 'application/x-excel', 'application/x-dos_ms_excel', 'application/xls', 'application/x-xls', 'application/excel', 'application/download', 'application/vnd.ms-office', 'application/msword'),
+	'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',
+	'dir'	=>	'application/x-director',
+	'dxr'	=>	'application/x-director',
+	'dvi'	=>	'application/x-dvi',
+	'gtar'	=>	'application/x-gtar',
+	'gz'	=>	'application/x-gzip',
+	'gzip'  =>	'application/x-gzip',
+	'php'	=>	array('application/x-httpd-php', 'application/php', 'application/x-php', 'text/php', 'text/x-php', 'application/x-httpd-php-source'),
+	'php4'	=>	'application/x-httpd-php',
+	'php3'	=>	'application/x-httpd-php',
+	'phtml'	=>	'application/x-httpd-php',
+	'phps'	=>	'application/x-httpd-php-source',
+	'js'	=>	'application/x-javascript',
+	'swf'	=>	'application/x-shockwave-flash',
+	'sit'	=>	'application/x-stuffit',
+	'tar'	=>	'application/x-tar',
+	'tgz'	=>	array('application/x-tar', 'application/x-gzip-compressed'),
+	'xhtml'	=>	'application/xhtml+xml',
+	'xht'	=>	'application/xhtml+xml',
+	'zip'	=>	array('application/x-zip', 'application/zip', 'application/x-zip-compressed', 'application/s-compressed', 'multipart/x-zip'),
+	'rar'	=>	array('application/x-rar', 'application/rar', 'application/x-rar-compressed'),
+	'mid'	=>	'audio/midi',
+	'midi'	=>	'audio/midi',
+	'mpga'	=>	'audio/mpeg',
+	'mp2'	=>	'audio/mpeg',
+	'mp3'	=>	array('audio/mpeg', 'audio/mpg', 'audio/mpeg3', 'audio/mp3'),
+	'aif'	=>	array('audio/x-aiff', 'audio/aiff'),
+	'aiff'	=>	array('audio/x-aiff', 'audio/aiff'),
+	'aifc'	=>	'audio/x-aiff',
+	'ram'	=>	'audio/x-pn-realaudio',
+	'rm'	=>	'audio/x-pn-realaudio',
+	'rpm'	=>	'audio/x-pn-realaudio-plugin',
+	'ra'	=>	'audio/x-realaudio',
+	'rv'	=>	'video/vnd.rn-realvideo',
+	'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'),
+	'jpg'	=>	array('image/jpeg', 'image/pjpeg'),
+	'jpe'	=>	array('image/jpeg', 'image/pjpeg'),
+	'png'	=>	array('image/png',  'image/x-png'),
+	'tiff'	=>	'image/tiff',
+	'tif'	=>	'image/tiff',
+	'css'	=>	'text/css',
+	'html'	=>	'text/html',
+	'htm'	=>	'text/html',
+	'shtml'	=>	'text/html',
+	'txt'	=>	'text/plain',
+	'text'	=>	'text/plain',
+	'log'	=>	array('text/plain', 'text/x-log'),
+	'rtx'	=>	'text/richtext',
+	'rtf'	=>	'text/rtf',
+	'xml'	=>	array('application/xml', 'text/xml'),
+	'xsl'	=>	array('application/xml', 'text/xsl', 'text/xml'),
+	'mpeg'	=>	'video/mpeg',
+	'mpg'	=>	'video/mpeg',
+	'mpe'	=>	'video/mpeg',
+	'qt'	=>	'video/quicktime',
+	'mov'	=>	'video/quicktime',
+	'avi'	=>	array('video/x-msvideo', 'video/msvideo', 'video/avi', 'application/x-troff-msvideo'),
+	'movie'	=>	'video/x-sgi-movie',
+	'doc'	=>	array('application/msword', 'application/vnd.ms-office'),
+	'docx'	=>	array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip', 'application/msword'),
+	'dot'	=>	array('application/msword', 'application/vnd.ms-office'),
+	'dotx'	=>	array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip', 'application/msword'),
+	'xlsx'	=>	array('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'application/zip', 'application/vnd.ms-excel', 'application/msword'),
+	'word'	=>	array('application/msword', 'application/octet-stream'),
+	'xl'	=>	'application/excel',
+	'eml'	=>	'message/rfc822',
+	'json'  =>	array('application/json', 'text/json'),
+	'pem'   =>	array('application/x-x509-user-cert', 'application/x-pem-file', 'application/octet-stream'),
+	'p10'   =>	array('application/x-pkcs10', 'application/pkcs10'),
+	'p12'   =>	'application/x-pkcs12',
+	'p7a'   =>	'application/x-pkcs7-signature',
+	'p7c'   =>	array('application/pkcs7-mime', 'application/x-pkcs7-mime'),
+	'p7m'   =>	array('application/pkcs7-mime', 'application/x-pkcs7-mime'),
+	'p7r'   =>	'application/x-pkcs7-certreqresp',
+	'p7s'   =>	'application/pkcs7-signature',
+	'crt'   =>	array('application/x-x509-ca-cert', 'application/x-x509-user-cert', 'application/pkix-cert'),
+	'crl'   =>	array('application/pkix-crl', 'application/pkcs-crl'),
+	'der'   =>	'application/x-x509-ca-cert',
+	'kdb'   =>	'application/octet-stream',
+	'pgp'   =>	'application/pgp',
+	'gpg'   =>	'application/gpg-keys',
+	'sst'   =>	'application/octet-stream',
+	'csr'   =>	'application/octet-stream',
+	'rsa'   =>	'application/x-pkcs7',
+	'cer'   =>	array('application/pkix-cert', 'application/x-x509-ca-cert'),
+	'3g2'   =>	'video/3gpp2',
+	'3gp'   =>	'video/3gp',
+	'mp4'   =>	'video/mp4',
+	'm4a'   =>	'audio/x-m4a',
+	'f4v'   =>	'video/mp4',
+	'aac'   =>	'audio/x-acc',
+	'm4u'   =>	'application/vnd.mpegurl',
+	'm3u'   =>	'text/plain',
+	'xspf'  =>	'application/xspf+xml',
+	'vlc'   =>	'application/videolan',
+	'wmv'   =>	'video/x-ms-wmv',
+	'au'    =>	'audio/x-au',
+	'ac3'   =>	'audio/ac3',
+	'flac'  =>	'audio/x-flac',
+	'ogg'   =>	'audio/ogg',
+	'kmz'	=>	array('application/vnd.google-earth.kmz', 'application/zip', 'application/x-zip'),
+	'kml'	=>	array('application/vnd.google-earth.kml+xml', 'application/xml', 'text/xml'),
+	'ics'	=>	'text/calendar',
+	'zsh'	=>	'text/x-scriptzsh',
+	'7zip'	=>	array('application/x-compressed', 'application/x-zip-compressed', 'application/zip', 'multipart/x-zip'),
+	'cdr'	=>	array('application/cdr', 'application/coreldraw', 'application/x-cdr', 'application/x-coreldraw', 'image/cdr', 'image/x-cdr', 'zz-application/zz-winassoc-cdr'),
+	'wma'	=>	array('audio/x-ms-wma', 'video/x-ms-asf'),
+	'jar'	=>	array('application/java-archive', 'application/x-java-application', 'application/x-jar', 'application/x-compressed')
+);
 
 /* End of file mimes.php */
 /* Location: ./application/config/mimes.php */
\ No newline at end of file
diff --git a/application/config/routes.php b/application/config/routes.php
index 474bda969..d1a4419b7 100644
--- a/application/config/routes.php
+++ b/application/config/routes.php
@@ -59,12 +59,12 @@
 |
 |	$route['404_override'] = 'errors/page_missing';
 |
-| This route will tell the Router what URI segments to use if those provided
-| in the URL cannot be matched to a valid route.
+| This route will tell the Router which controller/method to use if those
+| provided in the URL cannot be matched to a valid route.
 |
 */
 
-$route['default_controller'] = "welcome";
+$route['default_controller'] = 'welcome';
 $route['404_override'] = '';
 
 /* End of file routes.php */
diff --git a/application/config/user_agents.php b/application/config/user_agents.php
index 60f256e01..78e4c8c7d 100644
--- a/application/config/user_agents.php
+++ b/application/config/user_agents.php
@@ -29,14 +29,14 @@
 | -------------------------------------------------------------------
 | USER AGENT TYPES
 | -------------------------------------------------------------------
-| This file contains four arrays of user agent data.  It is used by the
+| This file contains four arrays of user agent data. It is used by the
 | User Agent Class to help identify browser, platform, robot, and
-| mobile device data.  The array keys are used to identify the device
+| mobile device data. The array keys are used to identify the device
 | and the array values are used to set the actual name of the item.
-|
 */
 
-$platforms = array (
+$platforms = array(
+	'windows nt 6.2'	=> 'Windows 8',
 	'windows nt 6.1'	=> 'Windows 7',
 	'windows nt 6.0'	=> 'Windows Vista',
 	'windows nt 5.2'	=> 'Windows 2003',
@@ -51,6 +51,11 @@ $platforms = array (
 	'windows 95'		=> 'Windows 95',
 	'win95'				=> 'Windows 95',
 	'windows'			=> 'Unknown Windows OS',
+	'android'			=> 'Android',
+	'blackberry'		=> 'BlackBerry',
+	'iphone'			=> 'iOS',
+	'ipad'				=> 'iOS',
+	'ipod'				=> 'iOS',
 	'os x'				=> 'Mac OS X',
 	'ppc mac'			=> 'Power PC Mac',
 	'freebsd'			=> 'FreeBSD',
@@ -117,84 +122,85 @@ $mobiles = array(
 //	'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",
-	'dsi'			=> "Nintendo DSi",
-	'ds'			=> "Nintendo DS",
-	'wii'			=> "Nintendo Wii",
-	'3ds'			=> "Nintendo 3DS",
-	'open web'		=> "Open Web",
-	'openweb'		=> "OpenWeb",
+	'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',
+	'playstation 3'		=> 'PlayStation 3',
+	'hiptop'		=> 'Danger Hiptop',
+	'nec-'			=> 'NEC',
+	'panasonic'		=> 'Panasonic',
+	'philips'		=> 'Philips',
+	'sagem'			=> 'Sagem',
+	'sanyo'			=> 'Sanyo',
+	'spv'			=> 'SPV',
+	'zte'			=> 'ZTE',
+	'sendo'			=> 'Sendo',
+	'nintendo dsi'	=> 'Nintendo DSi',
+	'nintendo ds'	=> 'Nintendo DS',
+	'nintendo 3ds'	=> 'Nintendo 3DS',
+	'wii'			=> 'Nintendo Wii',
+	'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",
+	'android'		=> 'Android',
+	'symbian'		=> 'Symbian',
+	'SymbianOS'		=> 'SymbianOS',
+	'elaine'		=> '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",
-	'opera mobi'	=> "Opera Mobile",
+	'obigo'			=> 'Obigo',
+	'netfront'		=> 'Netfront Browser',
+	'openwave'		=> 'Openwave Browser',
+	'mobilexplorer'	=> 'Mobile Explorer',
+	'operamini'		=> 'Opera Mini',
+	'opera mini'	=> 'Opera Mini',
+	'opera mobi'	=> 'Opera Mobile',
+	'fennec'	=> 'Firefox Mobile',
 
 	// Other
-	'digital paths'	=> "Digital Paths",
-	'avantgo'		=> "AvantGo",
-	'xiino'			=> "Xiino",
-	'novarra'		=> "Novarra Transcoder",
-	'vodafone'		=> "Vodafone",
-	'docomo'		=> "NTT DoCoMo",
-	'o2'			=> "O2",
+	'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"
+	'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.
diff --git a/application/controllers/welcome.php b/application/controllers/welcome.php
index 1ed82d2a7..f70dd78ad 100644
--- a/application/controllers/welcome.php
+++ b/application/controllers/welcome.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
@@ -24,6 +24,7 @@
  * @since		Version 1.0
  * @filesource
  */
+defined('BASEPATH') OR exit('No direct script access allowed');
 
 class Welcome extends CI_Controller {
 
diff --git a/application/errors/error_404.php b/application/views/errors/error_404.php
index 746032956..4a8823dee 100644
--- a/application/errors/error_404.php
+++ b/application/views/errors/error_404.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
@@ -24,6 +24,7 @@
  * @since		Version 1.0
  * @filesource
  */
+defined('BASEPATH') OR exit('No direct script access allowed');
 ?><!DOCTYPE html>
 <html lang="en">
 <head>
@@ -31,9 +32,9 @@
 <title>404 Page Not Found</title>
 <style type="text/css">
 
-::selection{ background-color: #E13300; color: white; }
-::moz-selection{ background-color: #E13300; color: white; }
-::webkit-selection{ background-color: #E13300; color: white; }
+::selection { background-color: #E13300; color: white; }
+::-moz-selection { background-color: #E13300; color: white; }
+::-webkit-selection { background-color: #E13300; color: white; }
 
 body {
 	background-color: #fff;
@@ -72,6 +73,8 @@ code {
 #container {
 	margin: 10px;
 	border: 1px solid #D0D0D0;
+	box-shadow: 0 0 8px #D0D0D0;
+	-moz-box-shadow: 0 0 8px #D0D0D0;
 	-webkit-box-shadow: 0 0 8px #D0D0D0;
 }
 
diff --git a/application/errors/error_db.php b/application/views/errors/error_db.php
index eb3a75260..21d5d86ef 100644
--- a/application/errors/error_db.php
+++ b/application/views/errors/error_db.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
@@ -24,6 +24,7 @@
  * @since		Version 1.0
  * @filesource
  */
+defined('BASEPATH') OR exit('No direct script access allowed');
 ?><!DOCTYPE html>
 <html lang="en">
 <head>
@@ -31,9 +32,9 @@
 <title>Database Error</title>
 <style type="text/css">
 
-::selection{ background-color: #E13300; color: white; }
-::moz-selection{ background-color: #E13300; color: white; }
-::webkit-selection{ background-color: #E13300; color: white; }
+::selection { background-color: #E13300; color: white; }
+::-moz-selection { background-color: #E13300; color: white; }
+::-webkit-selection { background-color: #E13300; color: white; }
 
 body {
 	background-color: #fff;
@@ -72,6 +73,8 @@ code {
 #container {
 	margin: 10px;
 	border: 1px solid #D0D0D0;
+	box-shadow: 0 0 8px #D0D0D0;
+	-moz-box-shadow: 0 0 8px #D0D0D0;
 	-webkit-box-shadow: 0 0 8px #D0D0D0;
 }
 
diff --git a/application/errors/error_general.php b/application/views/errors/error_general.php
index 59896e1ea..5bf361113 100644
--- a/application/errors/error_general.php
+++ b/application/views/errors/error_general.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
@@ -24,6 +24,7 @@
  * @since		Version 1.0
  * @filesource
  */
+defined('BASEPATH') OR exit('No direct script access allowed');
 ?><!DOCTYPE html>
 <html lang="en">
 <head>
@@ -31,9 +32,9 @@
 <title>Error</title>
 <style type="text/css">
 
-::selection{ background-color: #E13300; color: white; }
-::moz-selection{ background-color: #E13300; color: white; }
-::webkit-selection{ background-color: #E13300; color: white; }
+::selection { background-color: #E13300; color: white; }
+::-moz-selection { background-color: #E13300; color: white; }
+::-webkit-selection { background-color: #E13300; color: white; }
 
 body {
 	background-color: #fff;
@@ -72,6 +73,8 @@ code {
 #container {
 	margin: 10px;
 	border: 1px solid #D0D0D0;
+	box-shadow: 0 0 8px #D0D0D0;
+	-moz-box-shadow: 0 0 8px #D0D0D0;
 	-webkit-box-shadow: 0 0 8px #D0D0D0;
 }
 
diff --git a/application/errors/error_php.php b/application/views/errors/error_php.php
index 3855720de..c0c4bd622 100644
--- a/application/errors/error_php.php
+++ b/application/views/errors/error_php.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
@@ -24,6 +24,7 @@
  * @since		Version 1.0
  * @filesource
  */
+defined('BASEPATH') OR exit('No direct script access allowed');
 ?>
 
 <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">
@@ -40,12 +41,15 @@
 	<p>Backtrace: </p>
 	<?php foreach(debug_backtrace() as $error): ?>
 
-		<?php if(isset($error['file']) &&  ! stristr($error['file'], SYSDIR)): ?>
+		<?php if(isset($error['file']) &&
+		         strpos($error['file'], realpath(BASEPATH)) !== 0): ?>
+
 			<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>
diff --git a/application/errors/index.html b/application/views/errors/index.html
index c942a79ce..c942a79ce 100644
--- a/application/errors/index.html
+++ b/application/views/errors/index.html
diff --git a/application/views/welcome_message.php b/application/views/welcome_message.php
index 45360da60..27332f456 100644
--- a/application/views/welcome_message.php
+++ b/application/views/welcome_message.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
@@ -24,6 +24,7 @@
  * @since		Version 1.0
  * @filesource
  */
+defined('BASEPATH') OR exit('No direct script access allowed');
 ?><!DOCTYPE html>
 <html lang="en">
 <head>
@@ -32,9 +33,9 @@
 
 	<style type="text/css">
 
-	::selection{ background-color: #E13300; color: white; }
-	::moz-selection{ background-color: #E13300; color: white; }
-	::webkit-selection{ background-color: #E13300; color: white; }
+	::selection { background-color: #E13300; color: white; }
+	::-moz-selection { background-color: #E13300; color: white; }
+	::-webkit-selection { background-color: #E13300; color: white; }
 
 	body {
 		background-color: #fff;
@@ -70,11 +71,11 @@
 		padding: 12px 10px 12px 10px;
 	}
 
-	#body{
+	#body {
 		margin: 0 15px 0 15px;
 	}
 
-	p.footer{
+	p.footer {
 		text-align: right;
 		font-size: 11px;
 		border-top: 1px solid #D0D0D0;
@@ -83,9 +84,10 @@
 		margin: 20px 0 0 0;
 	}
 
-	#container{
+	#container {
 		margin: 10px;
 		border: 1px solid #D0D0D0;
+		-moz-box-shadow: 0 0 8px #D0D0D0;
 		-webkit-box-shadow: 0 0 8px #D0D0D0;
 	}
 	</style>
@@ -107,7 +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. <?php echo  (ENVIRONMENT == 'development') ?  'CodeIgniter Version <strong>' . CI_VERSION . '</strong>' : '' ?></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>