Added missing language variables
Merge branch 'master' of github.com:WoltLab/WCF
Added user option administration (WIP)
Clear altField in datepicker when visible input is cleared

cf. http://beta.woltlab.com/index.php/Thread/104-Geburstag-l%C3%A4sst-sich-nicht-entfernen/
Fixed line-height issue in chrome
Merge branch 'master' of github.com:WoltLab/WCF
Added the name of the current style in the "edit"-form
Correction
Merge pull request #1241 from pebeah/styleFormOptimization

Added the name of the current style in the "edit"-form
Fixed multiple user option issues
Merge branch 'master' of github.com:WoltLab/WCF
Added missing language variables
Added package update management
Merge branch 'master' of github.com:WoltLab/WCF
Fixes issues when creating page menu items
Fixes formatting issue
Fixed use statement order
Merge branch 'master' of github.com:WoltLab/WCF
Reflect changes to ExceptionLog in 3536d2fe3861c5da467bbff4ff42efb24c9ad9c3
Fixed typo