* add ember-cli-deprecation-workflow
* this._router in routes to quiet deprecation
* mark style bindings as htmlSafe strings
* simplify authenticate service hook with async fn
* don't serialize aliases relationship on entities
* update ember-test-selectors so we can use supportsDataTestProperties
* allow duplicate flash messages because we don't want a log warning
* update ember-concurrency for better error message
* use ember-qunit instead of ember-cli-qunit
* update ember-cli-page-object so we're not using a beta lol
* ignore test-helper jquery context warning
* fix race condition in pgp-file test by using ember-concurrency task and test waiter
* await cli commands
* fail tests if async leakage is detected
* update auth-jwt component and tests to be simpler
* fix linting
* review feedback
Matthew Irish