Implemented the change of UI colour based on current player.  Fixed a show-stopper when a client left the game.
disabled the ui of the last player left if too many players leave.
changed winning number to 100
Let players join after a game is completed.  Can now roll a 6.  Marked something for revision
Comments added. Cleanup done.
Added a helper method to the Pig class and a new method to the callback interface to get rid of gaps in our ids, minor bug fixes.
merged Riley-Branch
Added comment headers.
Merge branch 'Riley-Branch' into j-branch
Changed my name in the comment headers