REF: utils>run: now prints process only with verbose=2
REF: utils>run: now prints process only with verbose=2

Former-commit-id: 4d003bea4d048652a249452f17ef7c2251f326d4
Former-commit-id: bd90e6f03bf870efdb96a2638f7e94332c916979
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox