REF: added parser, changed flags (-b --> -bvec, -p --> -param, -t --> -thr,  -o --> -ofolder)
REF: added parser, changed flags (-b --> -bvec, -p --> -param, -t --> -thr,  -o --> -ofolder)

3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox