Added WCF.Action.Proxy.abortPrevious()
Using auto-aborting in WCF.Search.Base
Fixed aborting of requests
Using WCF.Action.Proxy.abortPrevious() in WCF.ACP.Worker
Merge branch 'master' of github.com:WoltLab/WCF into js/abortRequest
Added Cloudflare as additional JQuery Source
Fixes handling of requirements during package update

When a package is updated, the requirements of the current version are deleted first and replaced by the new ones. This way, it's ensured that packages the current version requires and which the updated version doesn't require anymore, are properly handled [cf. WCF 1.1].

Fixes #1286
Fixed inconsistent usage of elseif
Added sublime and textmate project files to .gitignore
Added missing cleanup
Merge branch 'master' of github.com:WoltLab/WCF
Fixed HTML5 issues
Attempt to fix issues caused by a race condition if liking
Merge branch 'master' of github.com:WoltLab/WCF
Small language optimization
Merge branch 'master' of github.com:WoltLab/WCF
Removed obsolete frameborder attribute
Preventing erroneous URLs from filling up the log files
Merge branch 'master' of github.com:WoltLab/WCF
Small optimizations