Added Crystal Growth Accelerator.

Fixed Missing Textures.

debug/BlockItemGen.java

@@ -3,6 +3,7 @@ package appeng.debug;
 import java.util.EnumSet;
 
 import net.minecraft.block.material.Material;
+import net.minecraft.client.renderer.texture.IIconRegister;
 import appeng.block.AEBaseBlock;
 import appeng.core.features.AEFeature;
 
@@ -15,4 +16,10 @@ public class BlockItemGen extends AEBaseBlock
 		setTileEntiy( TileItemGen.class );
 	}
 
+	@Override
+	public void registerBlockIcons(IIconRegister iconRegistry)
+	{
+		return;
+	}
+
 }