Add same regex as client to address validation

…ople added to a project

— Added back end support required. It prevents any non privileged/eligible user to be added as Manager.

…ople added to a project

— Used roles endpoint to identity roles of the given user because we don’t return the roles of a user with /users/userId endpoint even for the admins

…to_be_added

Feature/allow managers to be added

add file download endpoint