Changes

Summary

1. Improve entity hierarchy by adding Mob interface. (details)

Commit ab9a606c395902e222365a8eaf84f674b523492f by md_5 (md_5) Improve entity hierarchy by adding Mob interface.
	src/main/java/org/bukkit/entity/Flying.java
	src/main/java/org/bukkit/entity/Ambient.java
	src/main/java/org/bukkit/entity/Mob.java
	src/main/java/org/bukkit/entity/Creature.java
	src/main/java/org/bukkit/entity/Slime.java