Fix of https://github.com/prusa3d/Slic3r/issues/13 The BoundingBox::defined flag was not set in constructor, if initialized from min/max corners.
Fix of https://github.com/prusa3d/Slic3r/issues/13
The BoundingBox::defined flag was not set in constructor,
if initialized from min/max corners.

Conflicts:

	xs/src/libslic3r/BoundingBox.hpp

tmotl/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,mcilhargey/Slic3r,lordofhyphens/Slic3r,mcilhargey/Slic3r,tmotl/Slic3r,pieis2pi/Slic3r,pieis2pi/Slic3r,platsch/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,xoan/Slic3r,lordofhyphens/Slic3r,tmotl/Slic3r,xoan/Slic3r,curieos/Slic3r,alexrj/Slic3r,platsch/Slic3r,xoan/Slic3r,tmotl/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,xoan/Slic3r,platsch/Slic3r,mcilhargey/Slic3r,lordofhyphens/Slic3r,platsch/Slic3r,curieos/Slic3r,alexrj/Slic3r,mcilhargey/Slic3r,platsch/Slic3r,tmotl/Slic3r,xoan/Slic3r,curieos/Slic3r,xoan/Slic3r,curieos/Slic3r,alexrj/Slic3r,mcilhargey/Slic3r,platsch/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,tmotl/Slic3r,curieos/Slic3r,mcilhargey/Slic3r,mcilhargey/Slic3r