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/IBlockBuilder.java

@@ -0,0 +1,34 @@
+package appeng.bootstrap;
+
+
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+import net.minecraft.block.Block;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemBlock;
+
+import appeng.api.definitions.IBlockDefinition;
+import appeng.core.features.AEFeature;
+
+
+public interface IBlockBuilder
+{
+
+	IBlockBuilder preInit( BiConsumer<Block, Item> callback );
+
+	IBlockBuilder init( BiConsumer<Block, Item> callback );
+
+	IBlockBuilder postInit( BiConsumer<Block, Item> callback );
+
+	IBlockBuilder features( AEFeature... features );
+
+	IBlockBuilder addFeatures( AEFeature... features );
+
+	IBlockBuilder rendering( BlockRenderingCustomizer callback );
+
+	IBlockBuilder item( Function<Block, ItemBlock> factory );
+
+	<T extends IBlockDefinition> T build();
+
+}