Remove build clipper on clean.
Flags for OpenBSD
Merge pull request #141 from qbit/master

Add flags for OpenBSD
Fix BFB support.
Merge branch 'master' of github.com:Ultimaker/CuraEngine
Fix #144 for dos format files.
Improve skirt handling with support material
It looks like removing duplicate faces actually has a negative effect on "bad" model.
Merge remote-tracking branch 'origin/master' into reverse_insets