sphinx: command-line: call internal commands in /scripts
sphinx: command-line: call internal commands in /scripts

Former-commit-id: 5994b0fb6f1ac621f4913029cd84cfbf95434cb7
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox