make wrap_member() methods use other class methods

Change-Id: Ifb9048e17c31265741b197280c66229cae2a5a59
Test fixing. Move protocol response validation to a private method.

Change-Id: I1c5f3cb2a90561e9b9da855f5c4a2f3cf4728369
mapping_id parameter added to the backend

Change-Id: I655549d0d2a4b4b7eb66779ad4c9fd534c03d0bc
Public keys and Protocols U(pdate) operations

Change-Id: I93762d9ddf81270b9581b44ba2c01e34ee207a7a