bugfix bvec reorientation issue

This release fixes a bug present when using diffusion data registered to the T1w space, which caused improper bvec rotation. Any bedpost tractography fitting and tracking should be re-run with this new version.

symlink outputs

-restructured dwi preprocessing workflow to enable disabling of specific steps
-symlinked templates (removed after run)
-symlinked BIDS output

initial release for new khanlab circleci

v0.0.8

shub build latest nightly [skip ci]