Update Mail.class.php

Fix of PHPDoc
Twitter appends the URL automatically
Updating minified JavaScript files
Updated WCF version
Cleanup for final release
Fix editing of tags
Fix saving of languageID for synonyms in TagEditForm
Preparing final release / Cleanup
Prevent back navigation caching in IE 11 / Fix for $.browser.msie
Updating minified JavaScript files
Updating templates during update
Merge branch 'master' of github.com:WoltLab/WCF
Fixed small issue
Merge branch 'master' of github.com:WoltLab/WCF
Small optimization
Updating minified JavaScript files
Resolved TODO
Added rotate function
Merge branch 'master' of github.com:WoltLab/WCF
Added missing resize implementation