Zombie and player head blocks are completely black

MC-163212 Player and Zombie Head alpha/transparent texture bug Resolved MC-163279 Zombie and player's heads are black Resolved MC-163343 missing textures for zombie heads (mob and item) Resolved MC-163392 Problems with the graphics. Resolved MC-163476 Odd textures Resolved MC-163510 Items Have Black Textures Resolved MC-163539 Zombie heads and player heads don't have the correct texture Resolved MCL-12226 Zombie Has No Head Resolved MCL-12237 Dropped zombie heads show as black blocks. Resolved