zrrichards: Add Builder to planningPokerSession
zrrichards: Finish builder and begin to fix other classes to use the newly created builder.
zrrichards: Finished refactoring PlanningPokerSession.java to use a builder. All JUnit tests pass.
zrrichards: Finished refactoring and added tests to add coverate to check if the date of a session is in the past. Avoids using deprecated methods.
zrrichards: Finished refactoring
Merge pull request #65 from alexbragdon/feature/Iteration-4-dev-planning-poker-constructor-builder

Feature/iteration 4 dev planning poker constructor builder, IT WORKS! acbragdon