Implement ServerID parsing and sample app

Implement ServerID parsing and sample app

This changeset will correctly parse the Connectivity abstraction
ServerID and provide it as a unique identifier to the client implementer.
This change also includes a sample app that shows off this functionality.

Note: this change was brought from https://oic-review.01.org/gerrit/#/c/624

Change-Id: I0151744d3481da806f5345c0798f7b951fb91394
Signed-off-by: Yuliya Kamatkova <yuliya.kamatkova@intel.com>
Signed-off-by: Sudarshan Prasad <sudarshan.prasad@intel.com>