webos-image: pmloglib=47

:Release Notes:
- Add new logic to validate kv-pair
- Introduce PMLOGJSON macro

:Detailed Notes:

submissions/46..submissions/47
4aeb0a5 Add new logic to validate kv-pair
28880ab Providing insert json object string into kv-pair

:Testing Performed:
Compiled and tested on device

:QA Notes:

:Issues Addressed:
[GF-52565] Providing insert json object string into key-value pair
[GF-52763] CCC: pmloglib=47

Open-webOS-DCO-1.0-Signed-off-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>

Change-Id: I10b0fc5c3d34ae61c779726f53343fad05134093
Reviewed-on: https://g2g.palm.com/4044
Reviewed-by: DCO Verification
Build: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Reviewed-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Tested-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>