Make `setadbackend` more consistent + use ZygoteRules#1401

Merged

devmotion merged 2 commits intomasterfrom ad

Sep 13, 2020

+56-53

Commits on Sep 6, 2020

Make setadbackend more consistent + use ZygoteRules
devmotion
committed

Commits on Sep 7, 2020

Remove adjoint for updategid!
devmotion
committed