Fix oo-mongo-setup for cloud environments

- If oo-mongo-setup detects a cloud environment (local ip is not the
  same as resolved ip) then it will configure mongo to listen on 0.0.0.0
  instead of 127.0.0.1 and resolved ip
Merge pull request #268 from detiber/fixMongoSetupEnt

Fix oo-mongo-setup for cloud environments