Change 3/3 - Implement Abstract Factory Design Pattern for Mob
Merge branch 'abstract-factory-mob' of https://github.com/GeorgeValergas/shotgunrobot into GeorgeValergas-abstract-factory-mob

Conflicts:
	src/com/rustbyte/level/BossSpawnerTile.java
Merge branch 'GeorgeValergas-abstract-factory-mob'