Added yaml as a dev dependency
Added yaml as a dev dependency

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