MD2 animations disappear when applying a shadow method

[rob-bateman]

Currently with the Basic_LoadMD2 example, if you try and apply a shadowMethod to the orge mesh, the meshes disappear. The animations are still present as you can see the shadows of the orge meshes where they should be on the checkerboard, just not the ogres themselves

check the Basic_LoadMD2 and uncomment the lines that add shadow map functionality