Enhance SOL003 Adapter VNFM location sync/exception handling

• SOL003 Adapter selects the VNFM to use on the first request and create a relationship between the VNFM and the VNF in AAI. for the case, the VNFM is deleted or changed, SOL003 Adapter needs to a re-synch mechanism for VNFM location
• It is an exception handling for VNFM instances