Changes

Gunthers branch (#999)

* Reworking the flow to make it good.

* Cleaning up.

* Pushing loop into advance_xp2_wpxp.

* Forgot to commit advance_clubb_core.

* Slight improvement to logic of lhs_diff_zm_crank calculation, and fixing stats but present when lhs_diff_zm_crank=true.

* Pushing lots of loops down.

* Changing dimension ordering.

* Cleaning up. This completes advance_wp2_wp3. larson-group/clubb#972

* Changing capitalization of intents.