MCAD not available should not be a critical error, only a warning
Missing quotes in argument list target properties
Revert "MCAD not available should not be a critical error, only a warning"

This reverts commit 96cde0a2659eb4c244494cacb573fc9e4900ebaa.
Merge branch 'cmakeissues' of git://github.com/bmcage/openscad

Conflicts:
	tests/CMakeLists.txt