REF: enable to be run without being in directory /scripts
REF: enable to be run without being in directory /scripts

Former-commit-id: a3b945332848de63b69ae4b7d471ee061a94d82b
Former-commit-id: ffb39c6e3478ce442cd3183bdcd92baf4821547f
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox