Set up timer to check for end date passing
Obtain a list of sessions in the timer
Refactored end date code to use a method in the model instead of a thread in the entity manager
Added temporary solution to solve the end date issue
Add methods to PlanningPokerSession to determine the game state
Update code to utilize the new helper functions for game state
Fix rebase conflicts
Add server check for end date
Buttons now correctly enable and disable when selecting sessions
Merge pull request #146 from TheTeam8s/feature-sessionenddate

Feature sessionenddate