Make all devices could receive and response to MGMT_ACTIVE_GET.req and MGMT_PENDING_GET.req (#917)

* Add Coap Resources ACTIVE_GET and PENDING_GET to all devices

* Add 'address' parameter to dataset mgmtgetcommand CLI

* Use the specified destination address when sending MGMT_ACTIVR_GET.req and
  MGMT_PENDING_GET.req, default to use Leader ALOC if the destination is not specified

* THCI update to take the destination address as a parameter in mgmtget API

examples/drivers/windows/otLwf/iocontrol.c

@@ -3319,7 +3319,8 @@ otLwfIoCtl_otSendActiveGet(
                 otSendActiveGet(
                     pFilter->otCtx,
                     aTlvTypes,
-                    aLength)
+                    aLength,
+                    NULL)
                 );
         }
     }
@@ -3393,7 +3394,8 @@ otLwfIoCtl_otSendPendingGet(
                 otSendPendingGet(
                     pFilter->otCtx,
                     aTlvTypes,
-                    aLength)
+                    aLength,
+                    NULL)
                 );
         }
     }