updated game model
merging master
merging
add view for game
adding pry
Merge branch 'board_model'
Merge branch 'master' of github.com:pbevin/hex
attempting controller test
tweak to controller spec
Remove old migration file to avoid conflicts
Refactor hexagon drawing

 - Avoid overcomplicated trigonometry by noting that
   sin(30 degrees) = sqrt(3) / 2
Oops, width was half what it should have been
fixed migration issue