Faster UUID for entities

It is overkill to create a new SecureRandom on each entity create and then use it to make a new Entity ID for every entity instance created. Instead we will just use a pseudo random UUID based off the random
Fix NPE at org.bukkit.Material.addEnum(Material.java:734)

Disable the ModLoader compatibility since it breaks us in a
pre-deobfuscated environment which is needed until
https://github.com/MinecraftPortCentral/MCPC-Plus/issues/643
can be fixed which is blocked on https://github.com/MinecraftForge/FML/issues/210
Add relocated CraftBukkit libs to transformer exclusion

Removing org.bukkit. also removed the relocated libraries under
org.bukkit.craftbukkit.libs. Add them back since they don't
need any transformers - see https://github.com/MinecraftPortCentral/MCPC-Plus/issues/64