Stubbed out Inventory events, issue VANILLA-213

Signed-off-by: Don Redhorse <dredhorse@breiden.net>
Optimise glEnable/DisableVertexAttribArray
Fixed snapshot id in tick stage
Adds block change notification to lighting manager system
Merge pull request #505 from dredhorse/feature/FurnaceInventoryEvent

Stubbed out Inventory events, issue VANILLA-213
Cleanup inventory events