Fix drawer in some mobile browsers.
Remove the black background on menu badges.
Fix body content on screen width > 768px.
Start split of mobile css in different files in /mobile/
Merge pull request #4805 from Flaburgan/refactor-mobile-css

Fix drawer in mobile version
Fix avatar position in mobile notification
Merge pull request #4823 from Flaburgan/fix-avatar-mobile-notification

Fix avatar position in mobile notification
Fix aspect renaming after a regression caused by jquery upgrade, close #4822
Merge pull request #4827 from Flaburgan/fix-aspect-renaming

Fix aspect renaming after a regression caused by jquery upgrade
atom-feed content changed to html, use better post-title extractor

Valid atom feed. Also these features are partially included:
- http://activitystrea.ms/specs/atom/1.0/#activity.verb
- http://portablecontacts.net/draft-spec.html#anchor16
Merge pull request #4834 from Faldrian/atomfeedtohtml

atom-feed content changed to html, use better post-title extractor