webos-image: libpbnjson=24,v2.1.1

:Release Notes:
Fix validation against JSON schema enum when one alternative is a
prefix of another. Move jvalue comparison to the pbnjson_c.
:Detailed Notes:

submissions/23..submissions/24
b4764a6 Fix incorrect enum behaviour with common prefixes
212205b Add comparison functions to JSON C API

:Testing Performed:
Unit tests (with memory checker) passed.
Smoke tests on real device passed.
MiniBAT

:QA Notes:

:Issues Addressed:
[GF-44659] CCC: libpbnjson=24,v2.1.1
[GF-44469] pbnjson: Incorrect enum behaviour when one string is a prefix
[GF-44132] pbnjson: Expand jvalue C API to support JSON values

Open-webOS-DCO-1.0-Signed-off-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>

Change-Id: Ic33437afa8d38a1572c2bd4eb7ee372bcf49db4a
Reviewed-on: https://g2g.palm.com/3778
Reviewed-by: Build Verification
Tested-by: Susan Montooth <susan.montooth@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>