PlayerControllerMP.java, Potion.java, PotionHelper.java, Render.java, RenderBiped.java, RenderBlocks.java, RenderEnderman.java, RenderEngine.java, RenderItem.java, RenderItemFrame.java, RenderLiving.java, RenderManager.java, RenderPlayer.java and RenderSpider updates for 1.5.2

Signed-off-by: Mike Howe <dockter@almuramc.com>