Fix integration tests after object-cache-api addition

Change-Id: I81ac3d42374fc80f74801b646625e93a3b08a7eb
Signed-off-by: Robert Varga <rovarga@cisco.com>
Bug-479: Implementation of Vendor-Information TLV

-reference: http://tools.ietf.org/html/draft-ietf-pce-rfc7150bis-00
-added yang model of new TLV
-added abstract skeleton of Vendor-Information TLV parser/serializer
-objects's tlvs container enhanced with list of Vendor-Information Tlvs
-added junit tests

-introduced new Vendor-Information TLV registry

Change-Id: Ib14c369afb39dffd58160596dbca4954f5641a7f
Signed-off-by: Milos Fabian <milfabia@cisco.com>
Signed-off-by: Robert Varga <rovarga@cisco.com>