Started making PlanningPoker look like TestGui_A
Added NewGameTab to provide a template for a game setup tab
Stable implementation of the gui demonstrated in TestGui_A
Basic comments to explain how the code works
Attempt to add feature to close Planning poker tabs
added <String> to dropdowns
Merge pull request #6 from TheTeam8s/testing

Test GUI for new Planning Poker session.  Note that this does not appear in Janeway.