Major Refactoring of Bootstrap Code (#75)

- Refactored boostrap code:
  * Completely reworked item/block/tile registration.
  * Fixed server side startup.
  * Fixed server side startup.
  * More documentation.
  * More heavy cleanup
  * More cleanups.
  * Major refactoring of state mapping and fixes a lot of other issue related to item rendering.
  * Fixes sky chest item models (no item TESR).
  * Only use CachingRotatingBakedModel for tile entities automatically.
  Fix default rotation of quartz pillar for item model.
  * Used method reference instead of lambda for ItemMeshDefinition for multiparts.
  * Removed unnecessary IHasSpecialItemModel
  * Removed unused IconReg class.
  * Updated resource pack version.

src/main/java/appeng/bootstrap/components/StateMapperComponent.java

@@ -0,0 +1,38 @@
+package appeng.bootstrap.components;
+
+
+import net.minecraft.block.Block;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.statemap.IStateMapper;
+import net.minecraft.client.resources.IReloadableResourceManager;
+import net.minecraft.client.resources.IResourceManagerReloadListener;
+import net.minecraftforge.client.model.ModelLoader;
+import net.minecraftforge.fml.relauncher.Side;
+
+
+/**
+ * Registers a custom state mapper for a given block.
+ */
+public class StateMapperComponent implements InitComponent
+{
+
+	private final Block block;
+
+	private final IStateMapper stateMapper;
+
+	public StateMapperComponent( Block block, IStateMapper stateMapper )
+	{
+		this.block = block;
+		this.stateMapper = stateMapper;
+	}
+
+	@Override
+	public void initialize( Side side )
+	{
+		ModelLoader.setCustomStateMapper( block, stateMapper );
+		if( stateMapper instanceof IResourceManagerReloadListener )
+		{
+			( (IReloadableResourceManager) Minecraft.getMinecraft().getResourceManager() ).registerReloadListener( (IResourceManagerReloadListener) stateMapper );
+		}
+	}
+}