Added some browsers

Also combined the expressions for opera and added chromium as chrome
browser
Fixed sitemapUserAccount when registration is diabled
Fixed package uninstallation
Small style optimization
Merge branch 'master' of github.com:WoltLab/WCF
Treat variables modified through i18n as own variables

Furthermore language item values are never updated again if they're flagged as own variable.
Fixed style issue
Fixed style issues
Fixed ckeditor issue
Fixes style issue
Fixed style issues

Fixes #1506
Added automatic removal of orphaned moderation queues
Merge branch 'master' of github.com:WoltLab/WCF
Merge pull request #1509 from MeinAccount/sitemapUser/registerDisabled

Fixed sitemapUserAccount when registration is diabled
Adds method to get tags of multiple objects at once
Fixed auto-removal of orphaned moderation queues
Merge branch 'master' of github.com:WoltLab/WCF
Added support for different WCF 1.x password encryption methods
Changed user storage field value from TEXT to MEDIUMTEXT
Use 'c' as an alias for 'crc32' rather than '3'