Simple Light Cycles update for June 29, 2017

Changes

* Do not allow color change after that player has been in a game. Player can leave and re-join game to change color if needed.

* Improved projectiles controls

* Improved Steam Controller config* requires manual update from user via Steam Controller Configurator

Bug Fixes

* Assassin mode occasional points awarded on crashed bikers

* Gamepads firing projectiles for keyboard players