mgmt: NfdManagerBase::makeAuthorization uses CommandAuthenticator

This commit also eliminates Forwarder in Mgmt/TestFaceManager/CreateFace test suite
and uses FaceTable directly.

refs #2063

Change-Id: I596e8c2a12dad64ee75082f384955f30d574f53e
diff --git a/daemon/mgmt/face-manager.hpp b/daemon/mgmt/face-manager.hpp
index ec0af92..f31f04b 100644
--- a/daemon/mgmt/face-manager.hpp
+++ b/daemon/mgmt/face-manager.hpp
@@ -46,7 +46,7 @@
 public:
   FaceManager(FaceTable& faceTable,
               Dispatcher& dispatcher,
-              CommandValidator& validator);
+              CommandAuthenticator& authenticator);
 
   /**
    * @brief Subscribe to face_system section for the config file