initial commit
add rvmrc - ruby 2.0, rails 4.0
add rspec
first attempt at game_tracker_spec.rb

using an rspec code smell: too many 'shoulds' in one 'it'
game tracker spec with stubed class
finish GameTracker class
game_serializer stub with unit test
implement GameSerializer so unit test passes
no longer support having the game score at the end of the gamestring
remove models/.keep
put GameSerializer code into GameTracker
"minimum viable product" with working views
implement showing prior moves
fix bug that was causing it to say "Game over" prematurely