Adds blender exporter option to toggle compact separators output

export textures from blender with correct clip/repeat mode

blender exporter breaks when parent contains keyframe animation and child does not

Blender exporter: Added second UV layer support

This should fix issue 8054

Adding line breaks to FaceNormalsHelper docs

Adding line breaks to FaceNormalsHelper docs for readability and consistency with other docs.

Docs: fix typo

Spelling mistake - 
recieves > receives

Closes #8057 as it was opened on the wrong target branch

objects with parents containing keyframe animations, but which don't themselves contain keyframe animations, break the exporter

fix anisotropy typo

Added a note to SpotLight.target, related to #5555