Merge remote-tracking branch 'upstream/master' into js/modalDialog
Enabled disclaimer for logged in users

See
http://beta.woltlab.com/index.php/Thread/1191-Nutzungsbestimmungen-Disclaimer/
Merge branch 'js/modalDialog'
Merge branch 'master' of github.com:WoltLab/WCF
Merge branch 'master' of github.com:WoltLab/WCF
Merge branch 'master' of github.com:WoltLab/WCF
Merge branch 'master' of github.com:WoltLab/WCF
Shows an inline spinner when searching
Allow icons to be framed

Since icons are images too it should be possible to use them with the `.framed` class.
Implemented possibility to set an archive comment
Fixed date calculation
Merge branch 'master' of github.com:WoltLab/WCF
Removes obsolete method parameter
Fixed PIP priority on uninstall

Fixes #1455
Merge branch 'master' of github.com:WoltLab/WCF
Fixed overridden variables being persistent

Fixes #1450
Fixed method signature

Fixes #1451
Merge pull request #1388 from MeinAccount/js/search/spinner

Shows an inline spinner when searching
Merge pull request #1446 from SoftCreatR/ZipComment

Implement possibility to set an archive comment
Merge pull request #1377 from SoftCreatR/UserDisclaimer

Enable disclaimer for logged in users