WIP: change collapse for Scale\Skew\versor
WIP: versorScale works, scaleSkew not, many trash cm
WIP: clean code, add affine
WIP: add scaleSkewVersor

The following tests are passed:
- having initial transform
- Multi level
- Auto initial
- Auto mask
- just fixed binary mask

- having both fixed and moving masks --> fails
WIP: add debug on
WIP: change smoothing sigma to 1