def role_groups
      groups = []
      user_account_class.role_groups.map{|k,v| groups << k if user_account.has_any_role?(v)}
      groups
    end
def role_groups
      groups = []
      user_account_class.role_groups.map{|k,v| groups << k if user_account.has_any_role?(v)}
      groups
    end
return list of symbols for role groups the user belongs to