[DoctrineBundle] use namespace and fix double variable declaration
[DoctrineBundle] use namespace and fix double variable declaration

hacfi/DoctrineBundle,stof/DoctrineBundle,fervo/DoctrineBundle,hacfi/DoctrineBundle,javiereguiluz/DoctrineBundle,javiereguiluz/DoctrineBundle,hason/DoctrineBundle,OskarStark/DoctrineBundle,gencer/DoctrineBundle,skafandri/DoctrineBundle,nicolas-grekas/DoctrineBundle,lafourchette/DoctrineBundle,chrisguitarguy/DoctrineBundle,fabpot/DoctrineBundle,fervo/DoctrineBundle,hason/DoctrineBundle,skafandri/DoctrineBundle,mikeSimonson/DoctrineBundle,mikeSimonson/DoctrineBundle,fabpot/DoctrineBundle,dunglas/DoctrineBundle,OskarStark/DoctrineBundle,Soullivaneuh/DoctrineBundle,nicolas-grekas/DoctrineBundle,Soullivaneuh/DoctrineBundle,chrisguitarguy/DoctrineBundle,gencer/DoctrineBundle,doctrine/DoctrineBundle