sync
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
Merge branch 'devel' of https://github.com/embree/embree into devel
added assignment operator for buildrecord to workaround compiler bug on windows