REF: harmonized flags. Related to #669
REF: harmonized flags. Related to #669

Former-commit-id: 52efa6254a7e50e3d5a70ef91e3369782b784ef4
Former-commit-id: 54f4adfbe53f6242b467c82e7b9681e34bd3aa1d
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox