Add NO_LOGGING flag to disable logging

:Release Notes:
Add NO_LOGGING cmake flag to allow building
without any logging, to avoid PmLogLib dependency.

:Detailed Notes:

:Testing Performed:
Unit-tests.

:QA Notes:

:Issues Addressed:
[BHV-8] pbnjson: Refactor logging to use pmloglib

Open-webOS-DCO-1.0-Signed-off-by: Alexandr Smoktal <alexandr.smoktal@lge.com>

Change-Id: Ie034c50d6120ced7e5806df0ec1e8e126c38361e
Reviewed-on: https://g2g.palm.com/5177
Reviewed-by: DCO Verification
Reviewed-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Tested-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>