Create: Mixin mob and drops

VERSION 0.4

Made the mob essense Overworld mob essense
Removed meat and its recipes
Removed Empty spawn egg and its recipes
Re-textured overworld mob essense
Created a nether mob essense
Created a end mob essense
Made overworld mob essense not immunite to lava
Made nether mob essense immunite to lava
Changed overworld mob essense recipe
Changed netherrack recipe
Changed shulker shell recipe
Changed end stone recipe
Fixed the feather recipe
Changed the magma cream recipe 
Removed the "RecipeMixable" tag

Tutorial: https://youtu.be/HLCIyGNLdqM