Adds function to reload tab menus
Package search now runs via AJAX

Renamed UpdateServer* -> PackageUpdateServer*
Fixed use order
Major icon overhaul
Removes obsolete prefilter
Removes obsolete code
Added missing CSS class
Merge branch 'master' of github.com:WoltLab/WCF
Removed obsolete code
Fixed spinner for slimbox 2
Fixed icons in setup
Merge branch 'master' of github.com:WoltLab/WCF
Added global language variable
Fixed word wrap in StringUtil::truncateHTML()

Fixes #1102
Fixed show order calculation
Fixed small issue