GitLab

Updated the README file to include instructions. Most of the
updates were indicating how to run the new plugin.

Change-Id: I6ea8deb90735856935335b010a6089f5ee601c22
Signed-off-by: George Nash <george.nash@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19127Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Rick Bell <richard.s.bell@intel.com>