OPT: corrected the computation of error map in loocv ; use isct_antsRegistration instead of antsRegistration (out of date)
OPT: corrected the computation of error map in loocv ; use isct_antsRegistration instead of antsRegistration (out of date)

Former-commit-id: 0f4c4ad929a3eb2c9b2737e244984fec2351e1d4 [formerly b4ea279f05ecbf274d40392a66f6c3b194e4e0b3]
Former-commit-id: f59a6e3d3c7a19437973ff2b5c2182b27ab2885e
Former-commit-id: 1e8e772d5f574f080a69b19339e52cad413370a8
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox