Merge branch 'develop' into feature/merging-style-components

* develop: (175 commits)
  [feature/ajax] Remove strange non-breaking spaces from approve button
  [feature/ajax] Add entirely unrelated but nice newlines
  [feature/ajax] Unify phpbb_json_response instantiation
  [feature/ajax] Fix acp_styles activate_deactivate ajax callback name
  [feature/ajax] Send correct activate/deactivate JSON response in acp_profile
  [ticket/10270] Alter background colors for posts
  [feature/ajax] Remove not working module enable/disable ajax code
  [feature/ajax] Replace static call to phpbb_request with OO
  [feature/ajax] Remove quick-reply AJAX handling until we have something good
  [ticket/10270] Changing close button for ajax popups
  [ticket/10270] Disabling links in disappearing content
  [ticket/10291] Fixed an AJAX bug on quick reply form submit.
  [ticket/10273] Fixed accepting / denying posts AJAX.
  [ticket/10272] Removed code that was prevent event propogation in AJAX.
  [ticket/10291] Fixed a bug in the quick reply AJAX.
  [feature/ajax] Handle acp_modules error cases with JSON response
  [feature/ajax] Fix filter check, quick mod tools data-attribute
  [feature/ajax] Use the error handler
  [feature/ajax] Generic error handling with a phpbb.alert box
  [feature/ajax] Change filter semantics, some minor adjustments
  ...

Conflicts:
	phpBB/adm/style/acp_styles.html
	phpBB/includes/acp/acp_styles.php

phpBB/docs/AUTHORS

@@ -79,3 +79,6 @@ Pear (c) 2001-2004 PHP Group, http://pear.php.net
 
 Text_Diff-0.2.1 http://pear.php.net/package/Text_Diff
 
+MIT licenced:
+Symfony2 (c) 2004-2011 Fabien Potencier, http://symfony.com/
+