INST: slight changes in installer
INST: slight changes in installer

Former-commit-id: 25fd3f16ae29fc833f2ca116f1e31da96e03beb9 [formerly de249bf63cc028c3e08ffee17b729cb0412edb32]
Former-commit-id: b810bd2ca383514b1b5caac7659d7d6fc2e8456a
Former-commit-id: 70192ad8138e66239a7a77bbbf6c22b19a1f15f0
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox