Head-motion estimation for HMC

[oesteban]

A SHOREline-based approach, ported from QSIPREP. In cases where the data are “shelled”, 3dSHORE will be used as the diffusion model. If the data are single-shell, we will use SFM as the diffusion model.

[dPys]

#62 #76 #77 #78

[arokem]

WIP on this is at : https://github.com/nrdg/hmc

[oesteban]

Follow up on this at https://github.com/nipreps/eddymotion