Bulk (mostly documentation) update

 - Remove PHP version from license notices
 - Bump year number in copyright notices
 - Recommend PHP 5.4 or newer to be used
 - Tell Travis-CI to test on PHP 5.3.0 instead of the latest 5.3 version

Related: #3450

8 files changed, 18 insertions, 16 deletions

diff --git a/user_guide_src/cilexer/cilexer/cilexer.py b/user_guide_src/cilexer/cilexer/cilexer.py
index e4d25d772..2580b0b30 100644
--- a/user_guide_src/cilexer/cilexer/cilexer.py
+++ b/user_guide_src/cilexer/cilexer/cilexer.py
@@ -1,10 +1,12 @@
 # CodeIgniter
 # http://codeigniter.com
 # 
-# An open source application development framework for PHP 5.2.4 or newer
+# An open source application development framework for PHP
 # 
 # This content is released under the MIT License (MIT)
 #
+# Copyright (c) 2014 - 2015, British Columbia Institute of Technology
+#
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
@@ -24,7 +26,7 @@
 # THE SOFTWARE.
 #
 # Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
-# Copyright (c) 2014, British Columbia Institute of Technology (http://bcit.ca/)
+# Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
 #
 # http://opensource.org/licenses/MIT	MIT License
 
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 05442d803..42ef52c52 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -13,7 +13,7 @@ Release Date: Not Released
 
 -  General Changes
 
-   -  PHP 5.1.6 is no longer supported. CodeIgniter now requires PHP 5.2.4.
+   -  PHP 5.1.6 is no longer supported. CodeIgniter now requires PHP 5.2.4 and recommends PHP 5.4+ or newer to be used.
    -  Changed filenaming convention (class file names now must be Ucfirst and everything else in lowercase).
    -  Changed the default database driver to 'mysqli' (the old 'mysql' driver is DEPRECATED).
    -  ``$_SERVER['CI_ENV']`` can now be set to control the ``ENVIRONMENT`` constant.
diff --git a/user_guide_src/source/conf.py b/user_guide_src/source/conf.py
index d1e86f6fc..482d4936f 100644
--- a/user_guide_src/source/conf.py
+++ b/user_guide_src/source/conf.py
@@ -41,7 +41,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'CodeIgniter'
-copyright = u'2014, British Columbia Institute of Technology'
+copyright = u'2014 - 2015, British Columbia Institute of Technology'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -229,7 +229,7 @@ man_pages = [
 epub_title = u'CodeIgniter'
 epub_author = u'British Columbia Institute of Technology'
 epub_publisher = u'British Columbia Institute of Technology'
-epub_copyright = u'2014, British Columbia Institute of Technology'
+epub_copyright = u'2014 - 2015, British Columbia Institute of Technology'
 
 # The language of the text. It defaults to the language option
 # or en if the language is not set.
diff --git a/user_guide_src/source/contributing/index.rst b/user_guide_src/source/contributing/index.rst
index 427a0673f..89bceaa61 100644
--- a/user_guide_src/source/contributing/index.rst
+++ b/user_guide_src/source/contributing/index.rst
@@ -92,9 +92,10 @@ must also be updated for every change. Also PHPDoc blocks must be maintained.
 Compatibility
 =============
 
-CodeIgniter is compatible with PHP 5.2.4 so all code supplied must stick to
-this requirement. If PHP 5.3 or 5.4 functions or features are used then there
-must be a fallback for PHP 5.2.4.
+CodeIgniter recommends PHP 5.4 or newer to be used, but is compatible with
+PHP 5.2.4 so all code supplied must stick to this requirement. If PHP 5.3
+(and above) functions or features are used then there must be a fallback
+for PHP 5.2.4.
 
 Branching
 =========
diff --git a/user_guide_src/source/general/requirements.rst b/user_guide_src/source/general/requirements.rst
index 0b67e8e3a..1cb5938aa 100644
--- a/user_guide_src/source/general/requirements.rst
+++ b/user_guide_src/source/general/requirements.rst
@@ -2,7 +2,7 @@
 Server Requirements
 ###################
 
-- `PHP <http://www.php.net/>`_ version 5.2.4 or newer.
+- `PHP <http://www.php.net/>`_ version 5.4 or newer is recommended and 5.2.4 as the absolute minimum required.
 - A Database is required for most web application programming.
 
  Currently supported databases are:
diff --git a/user_guide_src/source/general/styleguide.rst b/user_guide_src/source/general/styleguide.rst
index 6718bc342..3d8f0a78a 100644
--- a/user_guide_src/source/general/styleguide.rst
+++ b/user_guide_src/source/general/styleguide.rst
@@ -368,10 +368,10 @@ inability for CodeIgniter to send proper headers.
 Compatibility
 =============
 
-CodeIgniter requires a minimum PHP version of 5.2.4. Your code must either
-be compatible with this minimum requirement, provide a suitable fallback,
-or be an optional feature that dies quietly without affecting a user's
-application.
+CodeIgniter recommends PHP 5.4 or newer to be used, but the absolute
+minimum version required is 5.2.4. Your code must either be compatible
+with this minimum requirement, provide a suitable fallback, or be an
+optional feature that dies quietly without affecting a user's application.
 
 Additionally, do not use PHP functions that require non-default libraries
 to be installed unless your code contains an alternative method when the
diff --git a/user_guide_src/source/installation/upgrade_200.rst b/user_guide_src/source/installation/upgrade_200.rst
index 948b1bc58..ca2c6c1e0 100644
--- a/user_guide_src/source/installation/upgrade_200.rst
+++ b/user_guide_src/source/installation/upgrade_200.rst
@@ -109,7 +109,6 @@ Please refer to the :ref:`2.0.0 Change Log <2.0.0-changelog>` for full
 details, but here are some of the larger changes that are more likely to
 impact your code:
 
-- CodeIgniter now requires PHP 5.2.4.
 - Scaffolding has been removed.
 - The CAPTCHA plugin in now a :doc:`helper </helpers/captcha_helper>`.
 - The JavaScript calendar plugin was removed.
@@ -146,4 +145,4 @@ The following files have been changed:
 The following files have been added:
 
 - foreign_chars.php
-- profiler.php
+- profiler.php
\ No newline at end of file
diff --git a/user_guide_src/source/license.rst b/user_guide_src/source/license.rst
index c57bf0945..c1a32772f 100644
--- a/user_guide_src/source/license.rst
+++ b/user_guide_src/source/license.rst
@@ -2,7 +2,7 @@
 The MIT License (MIT)
 #####################
 
-Copyright (c) 2014, British Columbia Institute of Technology
+Copyright (c) 2014 - 2015, British Columbia Institute of Technology
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal