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/PreInitComponent.java

@@ -0,0 +1,15 @@
+package appeng.bootstrap.components;
+
+
+import net.minecraftforge.fml.relauncher.Side;
+
+import appeng.bootstrap.IBootstrapComponent;
+
+@FunctionalInterface
+public interface PreInitComponent extends IBootstrapComponent
+{
+
+	@Override
+	void preInitialize( Side side );
+
+}