Make use of logger provided by ndn-cxx

This commit also introduces a basic implmentation of DummyForwarder to
remove dependency on (and uncertainty of) the running instance of NFD.

Change-Id: Iba9fcbf3d3ebb1a5ae47018ad3be5d7d2b9c7462
diff --git a/src/state-server.cpp b/src/state-server.cpp
index a013534..f84cdea 100644
--- a/src/state-server.cpp
+++ b/src/state-server.cpp
@@ -28,7 +28,7 @@
 #include <boost/make_shared.hpp>
 #include <utility>
 
-INIT_LOGGER("StateServer")
+_LOG_INIT(StateServer);
 
 using namespace Ndnx;
 using namespace std;