Forge: Item callback for EntityItem update tick. Closes 426

MinecraftForge@MinecraftForge/395c537f2cbf6f215dd894ddb35b613bfdd4bb06
Forge: Add Item 'swing' callback for use when playing the arm swing animation. Closes 505

MinecraftForge/MinecraftForge@969cd4e762afcebab0d70024224c72c2a4ce7975
Forge: Added NBT data to liquid stacks. Closes 501

MinecraftForge/MinecraftForge@b66d3b6b0f360bd9b13e7dc6057263ec1aafa25a
Forge: Added a small method in the Block.java to specify the amount of enchanting power it can supply to an enchanting table. Closes 508

MinecraftForge/MinecraftForge@cb67c72cd733b504ee3a0edf11a5d41b5df3692f
Update to Forge 7.7.1.650