2DShooter (Space Blaster)

Changelist:

1.  Add HealthBar for boss (see second level)
2. Add Enemies Left text (first & second levels)
3. Player lives
4. New enemies (it's actual changed basic enemies):
   1. Mathership (boss of second level)
   2. Destroyer (heavy ship)
   3. Updated stationary shooter (he turns towards the player

Created by Ilya Deryabin.