Added create new game functionality
Added FactoryGirl and unit test for User model
Trying to fix bugs with FactoryGirl :user model in controller tests
Fix associations so the tests pass
Added Game controller tests for new, create
Tweaked game controller test - create
Updated player_2 to opponent_id in Game model, updated all references to player_2
Added helper scope, method for getting ALL games for a given user
Merge pull request #21 from theFirehoseProject/create-new-game

Added create new game functionality and tests