Add ui-utils library for form validation
Add reset password and add/delete user functionality

This updates the controller, partials, and service to
add support for adding a user, deleting a user, and
resetting the password for a user including the
necessary modals/partials for this functionality.
Add ui-utils to karma conf
Add saving of password to user creation/resetting
Hide delete action on own user account
Merge pull request #79 from WorldBank-Transport/feature/user-management-angular

Feature/user management angular