Updates to Crytek and Sponza example scenes.

ExampleScenes/CrytekSponza/Data/background.exr

ExampleScenes/CrytekSponza/Data/background_bump.exr

ExampleScenes/CrytekSponza/Data/chain_texture.exr

ExampleScenes/CrytekSponza/Data/chain_texture_bump.exr

ExampleScenes/CrytekSponza/Data/chain_texture_mask.exr

ExampleScenes/CrytekSponza/Data/lion.exr

ExampleScenes/CrytekSponza/Data/lion_bump.exr

ExampleScenes/CrytekSponza/Data/scaledCrytek.mtl

ExampleScenes/CrytekSponza/Data/scaledCrytek.obj

ExampleScenes/CrytekSponza/Data/spnza_bricks_a_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_arch_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_ceiling_a_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_column_a_bump.exr

ExampleScenes/CrytekSponza/Data/sponza_column_a_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_column_b_bump.exr

ExampleScenes/CrytekSponza/Data/sponza_column_b_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_column_c_bump.exr

ExampleScenes/CrytekSponza/Data/sponza_column_c_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_curtain_blue_diff.exr

ExampleScenes/CrytekSponza/Data/sponza_curtain_diff.exr