INST: fixed some basic issues and now use all cpu for itk scripts
INST: fixed some basic issues and now use all cpu for itk scripts

Former-commit-id: a6275cfa5c784c73f1eab9d02e6d4b81b6165060 [formerly 7904fc139cb8a0cc86f502649728406efc2ce5fc]
Former-commit-id: e2e3a2504d89893260ffc105de4b6880e7943e84
Former-commit-id: cb94277e1b2ba37d5c248f1f36f090c78ea3d1af
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox