Require mongodb service in Travis CI
Require mongodb service in Travis CI

Soullivaneuh/DoctrineMongoDBBundle,Soullivaneuh/DoctrineMongoDBBundle,alcaeus/DoctrineMongoDBBundle,jahller/DoctrineMongoDBBundle,castarco/DoctrineMongoDBBundle,juchi/DoctrineMongoDBBundle,alcaeus/DoctrineMongoDBBundle,tomasbro/DoctrineMongoDBBundle,malarzm/DoctrineMongoDBBundle,sarcher/DoctrineMongoDBBundle,0mars/DoctrineMongoDBBundle,0mars/DoctrineMongoDBBundle,doctrine/DoctrineMongoDBBundle,malarzm/DoctrineMongoDBBundle,juchi/DoctrineMongoDBBundle,castarco/DoctrineMongoDBBundle,tomasbro/DoctrineMongoDBBundle,jahller/DoctrineMongoDBBundle,stof/DoctrineMongoDBBundle