Changes to AllEntitys structure updated to 1.6.2

-updated to doubles for maxhealth of mobs
-updated all mob control to instances(allentitys.java lines 444-452)
-added alot more mob types (should have gotten all of them not sure yet
tho add one if its missing)
-removed custom zombies and replaced them with bukkit ones since they
arent needed anymore due to 1.6 customizations