removing `Player.__init__`, we don't really need it.
adding a VERY basic init_db.py script.
bugfix when creating a new game. sending application/json instead of
application/x-www-form-urlencode to make backend's life happier.
Merge branch 'master' of github.com:talpor/hackathon0413-futbolito

Conflicts:
	static/js/app.js