enlever les choses inutiles dans player
Merge branch 'master' of https://github.com/tdubourg/geobombing
fixing player disco and displacements
Merge branch 'master' of https://github.com/tdubourg/geobombing
correction du probleme du mouvement sur un arc
Merge branch 'master' of https://github.com/tdubourg/geobombing
Merge branch 'net_with_ids' of https://github.com/tdubourg/geobombing
players management
Merge branch 'master' into net_with_ids

Conflicts:
	server/game_server.js
Merge branch 'net_with_ids' of https://github.com/tdubourg/geobombing into net_with_ids