Added Leave Room buttons for game_room.html
Merge branch 'master' of https://github.com/namespacestd/devfest_mmaa

Conflicts:
	devfest/html/game/game_room.html
Merge branch 'master' of https://github.com/namespacestd/devfest_mmaa

Conflicts:
	devfest/html/game/game_room.html