Incomplete work for refactoring regions and flows
More incomplete work
Split PrintConfig into PrintObjectConfig and PrintRegionConfig
More work here and there
More work
Satisfy test suite and CLI
Refactoring: new Slic3r::Print::Simple class for non-interactive slicing (used in CLI and Quick Slice)
Remove scale, rotate, duplicate, duplicate_grid from config (but leave them in CLI)
Adapt plater to the new split config
Moved first_layer_extrusion_width to PrintConfig
Some initial work for refactoring Print->extruders
More incomplete work for Flow/Extruder refactoring
More work for refactoring Flow/Extruder
Make tests pass
Parse options from AMF metadata
Fix typo
Ported Flow to XS
Fix positioning of loded AMF plates
Fix option names not showing in plater object settings
Merge branch 'region-config'

Conflicts:
	lib/Slic3r/Format/AMF/Parser.pm