Upgraded mongodb version from 1.6.5 to 2.4. Upgraded to latest 1.9.3 ruby
Fixed unique mongoid slug issue that occured during POST requests.
Fixed travis build failure
Fixed specs that broke due to mongo upgrade.
Fixed travis build failure caused due to bson warning
Fixed merge conflict
Upgrade prod mogoid.yml
Merge pull request #63 from akashpatel/mongo-upgrade

Mongo upgrade