webos-image: libpbnjson=26,v2.2.0

:Release Notes:
JSON Schema uniqueItems property implemented. Added error reporting
during validation against schema and during schema parsing.

:Detailed Notes:
submissions/24..submissions/26
45dba1f Add JSON Schema validation error reporting
de0b789 Add error reporting during JSON Schema parsing
c1202cb Implement uniqueItems in JSON Schema validation

:Testing Performed:
Unit tests (with memchecker). miniBAT

:QA Notes:

:Issues Addressed:
[GF-41896] pbnjson: Implement 'uniqueItems' in JSON schema
[GF-43955] pbnjson: Provide information about validation error
[GF-51404] CCC: libpbnjson=26,v2.2.0

Open-webOS-DCO-1.0-Signed-off-by: Mykola Kryvonos <mykola.kryvonos@lge.com>

Change-Id: I45edc815d4f3a3201581daeb6ac76286e0b99fe7
Reviewed-on: https://g2g.palm.com/3908
Reviewed-by: DCO Verification
Build: Mykola Kryvonos <mykola.kryvonos@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Tested-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>