[add] ShaderLoader can be configured to be pedantic or not
[update] Vignetting can modulate the output pixel color between two
different lut indices
[update] demo updated to reflect Vignetting API changes
[fixed] Vignetting wasn't being initialized correctly
[add] some work done for the Camera-based motion blur, normal+depth map
is required for working (data is packed and unpacked on-the-fly)
[fixed] Blur filter shouldn't compute the same weightings for the same
blur type, if the specified blur type is the same as the one being used
[fix] ensure the PostProcessor will not cull any face
[bump] Bumped version to v1.0.6
[updated] CHANGELOG and changelog auto-build script