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/block/storage/SkyChestRenderingCustomizer.java

@@ -0,0 +1,50 @@
+package appeng.block.storage;
+
+
+import net.minecraft.client.renderer.block.model.ModelResourceLocation;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+import appeng.bootstrap.BlockRenderingCustomizer;
+import appeng.bootstrap.IBlockRendering;
+import appeng.bootstrap.IItemRendering;
+import appeng.client.render.tesr.SkyChestTESR;
+
+
+public class SkyChestRenderingCustomizer extends BlockRenderingCustomizer
+{
+
+	private final BlockSkyChest.SkyChestType type;
+
+	public SkyChestRenderingCustomizer( BlockSkyChest.SkyChestType type )
+	{
+		this.type = type;
+	}
+
+	@SideOnly( Side.CLIENT )
+	@Override
+	public void customize( IBlockRendering rendering, IItemRendering itemRendering )
+	{
+		rendering.tesr( new SkyChestTESR() );
+
+		// Register a custom non-tesr item model
+		String modelName = getModelFromType();
+		itemRendering.model( new ModelResourceLocation( "appliedenergistics2:" + modelName, "inventory" ) );
+	}
+
+	private String getModelFromType()
+	{
+		final String modelName;
+		switch( type )
+		{
+			default:
+			case STONE:
+				modelName = "sky_chest_stone";
+				break;
+			case BLOCK:
+				modelName = "sky_chest_block";
+				break;
+		}
+		return modelName;
+	}
+}