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/spatial/BlockSpatialIOPort.java

@@ -19,8 +19,6 @@
 package appeng.block.spatial;
 
 
-import java.util.EnumSet;
-
 import javax.annotation.Nullable;
 
 import net.minecraft.block.Block;
@@ -35,12 +33,10 @@ import net.minecraft.world.World;
 
 import appeng.api.util.AEPartLocation;
 import appeng.block.AEBaseTileBlock;
-import appeng.core.features.AEFeature;
 import appeng.core.sync.GuiBridge;
 import appeng.tile.spatial.TileSpatialIOPort;
 import appeng.util.Platform;
 
-
 public class BlockSpatialIOPort extends AEBaseTileBlock
 {
 
@@ -48,7 +44,6 @@ public class BlockSpatialIOPort extends AEBaseTileBlock
 	{
 		super( Material.IRON );
 		this.setTileEntity( TileSpatialIOPort.class );
-		this.setFeature( EnumSet.of( AEFeature.SpatialIO ) );
 	}
 
 	@Override