First pass add admin user on db_create

Asks for username and email address
Need to ask for a password, silently with confirmation
Prompt for password also
Add gettext for i18n

Translations come later..
Add continue prompt
Sanitize config loading

Load in one place
Use that config in db_create
Use app settings in db_migrate
More virtualenv paths
Merge branch 'master' of github.com:beats-to/intbass