Bundle update
Pin dotenv

1.0 doesn't support using a .env.development file so pinning this for now.
Pin active_model_serializers

The "minor" 0.9 release broke a bunch of stuff including an undefined method
error for root_url. Will look into this further...
Use dotenv 1.0.2 and dotenv-deployment to load dev env files
Change localhost to test.host
Pin ember-source

Our routing broke under 1.8.0. We'll want to investigate this further...
Merge branch 'master' into bundle-update-82404200
Make sure integration specs run locally
Merge pull request #525 from G5/bundle-update-82404200

Update Dependencies
Merge master and fix conflicts