* 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