Fixes #7491 - moved default org and default location to same tab as org/loc selection
refs #2127 - instantiate exception and pass i18n arg correctly
Fixes #7591 - changed Sign out to Log out to fix inconsistent terminology around Login vs Sign Out
Fixes #7393 - searching users by role_id not supported
Fixes #7733 - Remove hosts.yml fixtures and use FactoryGirl instead