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/c/util/ndn_memory.h b/ndn-cpp/c/util/ndn_memory.h
index 9d23e2d..bdf6341 100644
--- a/ndn-cpp/c/util/ndn_memory.h
+++ b/ndn-cpp/c/util/ndn_memory.h
@@ -11,7 +11,7 @@
 #ifndef NDN_MEMORY_H
 #define NDN_MEMORY_H
 
-#include "../common.h"
+#include <ndn-cpp/c/common.h>
 
 #ifdef __cplusplus
 extern "C" {