change name JoystickControler => PadControler
pad support of missile and laser launch
merge
Add json lib for debugging, yeaaaaaaaah!
Merge branch 'develop' of https://github.com/aurelien-defossez/soviet-vs-asteroids into develop

Conflicts:
	game/src/Asteroid.lua
	game/src/Game.lua
	game/src/Station.lua
sync pad to fire missiles