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/TesrComponent.java

@@ -0,0 +1,34 @@
+package appeng.bootstrap.components;
+
+
+import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
+import net.minecraftforge.fml.client.registry.ClientRegistry;
+import net.minecraftforge.fml.relauncher.Side;
+
+import appeng.tile.AEBaseTile;
+
+
+/**
+ * Registers a TESR for a given tile entity class.
+ *
+ * @param <T>
+ */
+public class TesrComponent<T extends AEBaseTile> implements PreInitComponent
+{
+
+	private final Class<T> tileEntityClass;
+
+	private final TileEntitySpecialRenderer<? super T> tesr;
+
+	public TesrComponent( Class<T> tileEntityClass, TileEntitySpecialRenderer<? super T> tesr )
+	{
+		this.tileEntityClass = tileEntityClass;
+		this.tesr = tesr;
+	}
+
+	@Override
+	public void preInitialize( Side side )
+	{
+		ClientRegistry.bindTileEntitySpecialRenderer( tileEntityClass, tesr );
+	}
+}