VOL-1399: The value of the metadata field used by OFAgent & Arouter
          should not be hard-coded
- Added grpc-timeout and core-binding-key options to OFAgent run command
- Added core_binding_key option to rw_core run command

Change-Id: Icf5fe226d17a1a5fcd9459a85e41c434fc7ac8b9
diff --git a/rw_core/core/core.go b/rw_core/core/core.go
index b3bbc71..13baf84 100644
--- a/rw_core/core/core.go
+++ b/rw_core/core/core.go
@@ -124,6 +124,7 @@
 
 	//core.grpcNBIAPIHandler = NewAPIHandler(core.deviceMgr, core.logicalDeviceMgr, core.adapterMgr, core.config.InCompetingMode, core.config.LongRunningRequestTimeout, core.config.DefaultRequestTimeout)
 	core.grpcNBIAPIHandler = NewAPIHandler(core)
+	log.Infow("grpc-handler", log.Fields{"core_binding_key": core.config.CoreBindingKey})
 	core.logicalDeviceMgr.setGrpcNbiHandler(core.grpcNBIAPIHandler)
 	//	Create a function to register the core GRPC service with the GRPC server
 	f := func(gs *grpc.Server) {