Added TODO's
First pass at updating interfaces
Changed the unique field serialization to work when class names are changed.

Upgraded jackson and smile versions

Removed pretty print during serialization for efficiency
Fixed issue with UUID not being generated on write
Fixes rolling version bug when merge occurs.
Merge branch 'two-dot-o' of https://git-wip-us.apache.org/repos/asf/incubator-usergrid into two-dot-o
Merge branch 'two-dot-o' of https://git-wip-us.apache.org/repos/asf/incubator-usergrid into two-dot-o
Updated test
Add new "public Observable<UUID> getLatestVersion( Id entityId )" method to the collection manager.