anchor.diff:  
   ## How Other Components Set Their Credentials
   
  -gfsh prompts upon `gfsh connect`.
  +`gfsh` prompts for the user name and password upon invocation of
  +a`gfsh connect` command.
   
  -Pulse prompts upon start up.
  +Pulse prompts for the user name and password upon start up.
   
  -Components connecting via the REST API do something.
  -
  -
  +Due to the stateless nature of the REST API,
  +a web application or other component that speaks to a server or locator
  +via the REST API goes through authentication on each request.
  +The header of the request needs to include attributes that define values for
  +`security-username` and `security-password`.
   
   ## Implement SecurityManager Interface
   
  
positive.code: as in the example
  
       ``` pre
       security-username=webclient
       security-password=xyz1234
       ```
  The user name and password are stored in the clear, so the
  
negative.code: it wishes.
  It might look up values in a database or another external resource.
  
  Gateway senders and receivers communicate as a component of their
  server member.
  Therefore, the credential of the server become those of the gateway
  sender or receiver.
  
  ## How a Cache Client Sets Its Credential
  
  In order to connect with a locator or a server that does authentication,
  