[bug][34044] xcache not working under J3.3.3. Fixes #4083
[bug][34055] Version button unavailable in some cases. Fixes #4030
[bug] Wrong filename detection of Content-Disposition with ending semicolon. Fixes #4025
Removed leftover comment

As of comment in https://github.com/joomla/joomla-cms/pull/3918#issuecomment-51753040
[bug][34058] Wrong css-class in user-registration tooltip. Fixes #4094
[bug][32568] JoomlaUpdate fails if remember me plugin is enabled. Fixes #3467