working version???
didadoum pouet pouet
change the selection of 1st+last frames point to exclude those close to out-of-slab slices
let s stop there
Merge branch 'slice_motion_correction' into testing

* slice_motion_correction:
  let s stop there
  change the selection of 1st+last frames point to exclude those close to out-of-slab slices
  didadoum pouet pouet
  working version???