Bring back mongo for a bit
Bring back mongo for a bit


Former-commit-id: b52ce39ec6d5aa7409a4c75e3f8063bb482a965e
reuven/modelingcommons,reuven/modelingcommons,reuven/modelingcommons,reuven/modelingcommons,reuven/modelingcommons,reuven/modelingcommons,reuven/modelingcommons