Ne Update - Fighter Ships, Ammo Crates, and Health PowerUps

The new update fixes some minor bugs and adds quite a bit of functionality to the game.  We plan to continue to build upon this game for the few weeks. In this first update, we added new features and implemented a few new systems.

• Fighter Ships will now defend the asteroid field with their own lasers.
• Health System with Healing PowerUp
• Ammo System with Ammo Create PowerUp
• Shields have three hit health system
• New graphics for when the player is damaged
• Overall game play tightening and collider tweaking

Thanks for playing Blasteroids and stay tuned for more!