OPT: now using Benjamin's new sct_crop_image method
OPT: now using Benjamin's new sct_crop_image method

Former-commit-id: 0d8d649a0bbb421e523ac994c2b3ea853087f9d8 [formerly c599fa90a424283ea7a245faec70451c7f6c4276]
Former-commit-id: 64e5d2370242152d1ab0608bbbbcaded304b382e
Former-commit-id: c8c485ee5151203f6ad5df041cc796b056be579c
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox