Revert "REF: adding parser and changing options. Related to #669"
Revert "REF: adding parser and changing options. Related to #669"

This reverts commit 7171e25885ca249705ff062899a493239fb4a587 [formerly c501695d6ee3315b2574a9ded1180843a7dae9c5] [formerly fb141084d46a3e34b1529508cdc864a2ad1d1a59].


Former-commit-id: e06e6368955d8680192e690f3af71facfa42c8d9
Former-commit-id: bae0741357130cc2bcbc5361811e7f4d1f650c72
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox