Merge branch 'release/0.13.0' into develop
Fix hdr image extension, and fix filename issue while creating image
Protect vertexinfluence with quotes
Merge branch 'master' of github.com:cedricpinson/osgexport into develop
Add meta for materials
Merge branch 'master' of github.com:cedricpinson/osgexport into develop
Merge branch 'release/0.14.0'