[Doc] Adding note about connecting to a pool of servers on one connection - this is sourced by @carlcasbolt at https://github.com/symfony/symfony-docs/issues/875
[Doc] Adding note about connecting to a pool of servers on one connection - this is sourced by @carlcasbolt at https://github.com/symfony/symfony-docs/issues/875

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