Fix mob egg position spawning
Eliminate lengthy switch case for GlowPainting.
Implement basics of GlowWitherSkull.
Refactor Entities to use Artemis-ODB as an Entity-Component-System. This relieves Glowstone of having a hierarchical entity design internally and allows feature development to be added in a sane way.
Remove the entity from artemis when destroyed. Added the reset() method for entities.