Clean up unused uses
Merge pull request #678 from fejese/cleanup-uses

Clean up unused uses
DBAL-774 - added failing test for parsing order of joins with multiple on conditions
Added group annotation
fix parsing order of joins
Merge pull request #679 from deeky666/DBAL-774

[DBAL-774] Fix QueryBuilder parsing order of joins
Merge pull request #6 from doctrine/master

Update from master repository