[Security] various changes, see below
[Security] various changes, see below

- visibility changes from protected to private
- AccountInterface -> UserInterface
- SecurityContext::vote() -> SecurityContext::isGranted()

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