Add explanation and example for 'Secure Cookie Handshake' to akka-sample-remote

Added some commented out configuration items to provide an example of how to use
the Secure Cookie Handshake feature. Users can simply uncomment to try it out

Added an indication in the application.conf file that the remote.netty.tcp.port is
actually the LISTEN port.
=doc add work pulling pattern to list of patterns

I've added it just underneath Derek's pattern as it's based on that one.
Merge pull request #1625 from worms/master

Add explanation and example for 'Secure Cookie Handshake' to akka-sample...
Merge pull request #1627 from mpollmeier/doc-work-pulling-pattern

=doc add work pulling pattern to list of patterns
Merge remote-tracking branch upstream/$:{upbranch}