Add mcpp from github.com/ned14/mcpp

lib/mcpp/main_libmcpp.c

@@ -0,0 +1,9 @@
+/* most simple sample source to use libmcpp */
+
+#include "mcpp_lib.h"
+
+int
+main (int argc, char *argv[])
+{
+    return mcpp_lib_main (argc, argv);
+}