Rendering cleanup

Replaces the reflexive instantiation of the Renderes with a factory
method.

Some optimizations to the renderers to no longer push the whole OpenGL state to the stack.

General cleanup of duplicate code, etc

src/main/java/appeng/block/misc/BlockSecurity.java

@@ -26,8 +26,10 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 import appeng.block.AEBaseTileBlock;
-import appeng.client.render.BaseBlockRender;
 import appeng.client.render.blocks.RendererSecurity;
 import appeng.core.features.AEFeature;
 import appeng.core.sync.GuiBridge;
@@ -47,9 +49,10 @@ public class BlockSecurity extends AEBaseTileBlock
 	}
 
 	@Override
-	protected Class<? extends BaseBlockRender> getRenderer()
+	@SideOnly( Side.CLIENT )
+	protected RendererSecurity getRenderer()
 	{
-		return RendererSecurity.class;
+		return new RendererSecurity();
 	}
 
 	@Override