Connect API with server and fixed wrongly generated models from policy context

src/api-server/impl/SMPoliciesCollectionApiImpl.cpp

src/api-server/impl/SMPoliciesCollectionApiImpl.h

src/api-server/model/Ipv6Addr.cpp

src/api-server/model/Ipv6Addr.h

src/api-server/model/Ipv6Prefix.cpp

src/api-server/model/Ipv6Prefix.h

src/api-server/pcf-api-server.cpp

src/api-server/pcf-api-server.h

src/pcf_app/pcf_app.cpp

src/pcf_app/pcf_app.hpp

src/pcf_app/pcf_sm_policy_control.cpp