Bastion: replacing flash_messages with bootstrap 3 alerts.
Engine: Updating Katello reset to included migration and seeding of the database
after wiping databases.
Engine: Adding request interceptor to allow JS tests to pass
and prevent having to set awkward pathing throughout the JS code.
Merge pull request #3430 from ehelms/engine-js-tests

Engine: Adding request interceptor to allow JS tests to pass
Merge pull request #3434 from waldenraines/bootstrap-alerts

Bastion: replacing flash_messages with bootstrap 3 alerts.
Merge pull request #3426 from ehelms/engine-reset-update

Engine: Fixes #3735: Updates reset task to migrate and seed database.