Merge pull request #91 from pocket-gophers-2014/end_game_rendering_and_logic

End game rendering and logic
fixed bugs with lingering sessions
took out an unnecessary method
Merge pull request #93 from pocket-gophers-2014/fixing_user_session_weirdness

Fixing user session weirdness
refactoring and figuring out why end game is not working
located the problem. stats.all_human, and stats.all_zombie are not working maybe?