Move the connectors to their own folder
Fix the path to the Fileconnector
New connector for mongodb
MongoDBConnector update
MongoDBConnector: added new empty functions
Update of MongoDBConnector, new functions added
upMongoDBConnector update
fix a small  bug
MongoDBConnector update
Changes:
 - ObjectManager.getObject - changed to work in async mode
 - MongoDBConnector.getRoomDataFromDB - added, works in async mode
 - MongoDBConnector.getRoomDataFromDB - updated, works in async mode
Update to MongoDBConnector
MongoDBConnector update
improvement of getInventory method in MongoDBConnector
update of MongoDBConnector
Update ObjectController
Updated:
 - ListRooms
 - GetRoomHierarchy
 - SavePainting
 - GetPainting
 - DeletePainting
Update MongoDBConnector, fix getInventory, saveObject, updateObjject
Merge branch 'database' of https://github.com/winfel/wa_knowledge_structuring into database
Update of  MongoDBConnector, fix bugs when creating new objects
Update of MongoDBConnector avoid a duplicate key error when creating new objects