DEV:png as output
DEV:png as output

Former-commit-id: a9fbf2e73aa188ec2c1d436f5ae41efdf6e20e5a [formerly 3727db4e18f8900e07f22e66420078e0404d24e0]
Former-commit-id: 28b36749d3d396e0cb2a3077263c79d7756cb117
Former-commit-id: a2ea0754b0b34427f0673b58ad31ee2fb81396b9
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox