Merge pull request #37 from socia-platform/QuickFix

Quick fix
This commit adds dynamical favicons, adds a "mark all notifications as read" in the notification history and improves styling in notification drop down.
Fix notification.js to show "10+" if more than 10 unread notification
session timeout flash message
#33 set comment limit for single post
Merge branch 'master' into 32_commentLimit
Merge branch '32_commentLimit' into develop
Merge branch 'develop' of github.com:socia-platform/htwplus into develop