Refactor user to PlanningPokerUser
Manually merge
Fixed User->PlanningPokerUser refactor
Updated planningpoker/user addresses in PlanningPokerUser controllers to planningpoker/planningpokeruser so the entity manager works.

Committed by: ajthompson, sfmailand
Merge pull request #287 from ajthompson/refactor

Refactor the new User class to PlanningPokerUser