(fix) Back button works in auth flow
Merge pull request #111 from jgladch/fix/back

(fix) Back button works in auth flow
(refactor) Change AppCtrl tests to match current code.
(refactor) Remove failing Browse test bc it's no longer relevant.
(refactor) Edit tests so that only applicable AuthCtrl tests are run.
(refactor) Remove tests from ProfileCtrl for deleted function.