make: Global change: Move all public headers to include folder.  Change source to including public headers using #include <ndn-cpp/*>. Split some header files to minimize exposing C .h files.
diff --git a/ndn-cpp/util/logging.hpp b/ndn-cpp/util/logging.hpp
index 87d9ad5..f1afe72 100644
--- a/ndn-cpp/util/logging.hpp
+++ b/ndn-cpp/util/logging.hpp
@@ -9,7 +9,7 @@
 #ifndef NDN_LOGGING_HPP
 #define	NDN_LOGGING_HPP
 
-#include "../common.hpp"
+#include <ndn-cpp//common.hpp>
 
 #ifdef NDN_CPP_HAVE_LOG4CXX