examples: Add Proof of Concept for showing VNC in HTML5

This demonstrates our sideband channels and how we authenticate
connections properly.

Closes #1560
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>
examples: Proof of concept talking to CIM

Talk to CIM using local authentication and retrieve some data.
This is a proof of concept example, and doesn't really do anything
magical, just proves it can work.

Closes #1569
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>