Unit test improvements, add example programme

Unit test improvements, add example programme

This change addresses some sonar flagged issues (move/copy
builders missing), and adds unit tests to support the
addition of those.  The code was slightly adjusted to
better support testing coverage.

The rmr_dump programme was added to the examples.

Issue-ID: RIC-148

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I9220d75fa6690feebf439cfe97dda43572f20c4e