When another bit of information was needed to be extracted from mode
suggestion routine, it felt like listMapModes had too many arguments.
So, the arguments have been collapsed into a struct. This triggered a
few namespace-related changes, which lead to massive search-and-replace
changes all over FreeCAD.
So the only functional change carried out is the addition of reference
types readout to info returned by suggestor.
Modes added:
3D and plane attachment: Inertia CS
Line attachment: Inertia axes
This commit may serve a good example of how to add new attachment modes.
