fold all the old admin datasets stuff under Databases in the new admin layout.  functionally nothing changes.

Conflicts:
	resources/frontend_client/app/admin/databases/partials/database_edit.html

set settings from env vars

wire up DB simple SQL query for connection test in setup

Update password requirements in setup flow

create a very simple mb-form-label directive which makes it much easier to manage the display state of form field errors.

basic version of new Database details page using full form validation.  this is a WIP and not complete.