NEW : msct_smooth.py first commit
NEW : msct_smooth.py first commit


Former-commit-id: 7db97f7a91e5ff7a6417b2ca4b54add4851120e4
Former-commit-id: fd7a2a2212b69aad1531eb834c276ba3402cd02b
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox