Controller now handles both Shape sending and Lock guessing.
Merge branch 'ShapesGameController' of https://github.com/tortal/IT2-LP1-Tendu.git into ShapesGameController
Sends a message when the user attempts to send a shape to another player
Merge branch 'ShapesGameController' of https://github.com/tortal/IT2-LP1-Tendu.git into ShapesGameController