Revert "use register endpoint, login depreciated"
Revert "use register endpoint, login depreciated"

This reverts commit 1043e7fdb3bb53198dcb5d6c6b039287e93bf3f9.

chrisseto/ember-osf,chrisseto/ember-osf,binoculars/ember-osf,jamescdavis/ember-osf,baylee-d/ember-osf,pattisdr/ember-osf,pattisdr/ember-osf,jamescdavis/ember-osf,binoculars/ember-osf,CenterForOpenScience/ember-osf,CenterForOpenScience/ember-osf,crcresearch/ember-osf,baylee-d/ember-osf,crcresearch/ember-osf