* Added on_snake_player_died event and a snake_demo map
* Added score to the event
* Fixed entities being destructible
Changed comment
* Fixed cases where controller type wasn't god
* Changed players controller to spectator when their snake dies
* Changed start_game call away from remote.call
* Needed new call to show the snake button
* Changed start_game to use Snake.control
* removed snake event from demo map
* Update map_gen/maps/snake_demo.lua
