Increased required PHP version 5.3.0 -> 5.3.2
Improved WCF.EditableItemList and WCF.Search.Base
Fixed benckmark stacktrace
Added 'appendSession' parameter to LinkHandler

Whenever you're providing a permanent-link to an object, set appendSession to "false" as it suppresses the session id.
Small header/footer navigation overhaul
Merge branch 'master' of github.com:WoltLab/WCF
Added language variable for RSS-feeds
Added missing language var
Merge branch 'master' of github.com:WoltLab/WCF
Do not send cookie domain if local domain (chrome breaks)
Initialize $dbClass
Fix error in case the database is not available
Added missing language variables
Merge branch 'master' of github.com:WoltLab/WCF
Option form no longer sets a default tab menu item
Fixed sitemap tab menu
Change isSingletonInitialized to isInitialized
Merge branch 'master' of github.com:WoltLab/WCF
Updated package installation JavaScript

Prepared possibility to rollback a previously failed installation, currently package id is missing (but queue id exists
Merge branch 'master' of github.com:WoltLab/WCF