start_perimeters_at_non_overhang was still partially enforced
Small optimization in case no overhang logic is required at all
Move everything into the Slic3r namespace. #1301
New TriangleMesh::XS->stats method
Add two more repair actions and add volume to stats
Show repair stats in object info dialog
Show a warning if we repaired the input file
Optimizations in the algorithm that builds loops
Merge branch 'master' into xsdata

Conflicts:
	lib/Slic3r/GCode.pm
	xs/src/Point.hpp