Merge branch 'master' of github.com:taratatach/SnakeWords

Conflicts:
	app/models/game.rb

merge game
i m made a modification on game.rb ( insert_first_word to make it work)
I modified Game.rb, because first word is empty at initialisation
found method doesn't work
Merge branch 'master' of github.com:taratatach/SnakeWords

Conflicts:
	app/models/game.rb