Removed "magic" method pointer.

Now count of prefab is readed from prefabs file - it increase efficiency because vector isn't relocate.
Add thrusters but this is temporary solution.
Merge remote-tracking branch 'origin/master' into Zyga_Working_Branch
fixed recoil direction
Little thrusters improvement but it is still look like fairy
Add 5 new ship's.

Increase Enemy Spawner.

Add same new static.