Add a simple example for message endpoint without the pingpong test.

Signed-off-by: Arun C Ilango <arun.ilango@intel.com>
msg_pingpong - close the pep and better error reporting

Signed-off-by: Reese Faucette <rfaucett@cisco.com>
Merge pull request #84 from a-ilango/dev

Add a simple example for message endpoint without the pingpong test.
Merge pull request #85 from rfaucett/pr/msg_pp

msg_pingpong - close the pep and better error reporting