DOC: batch_processing now includes better registration for mt (issue #182)
DOC: batch_processing now includes better registration for mt (issue #182)

Former-commit-id: ff7c9b94cf4de80f8502a1f6d82b5b0005413c38
Former-commit-id: a805823eb7b9b1585751ff2b2cda8871b441dc77
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox