merge ca config and client config, remove old format of probe

Change-Id: I73500f532f166851d82c1bf1cc008c7ffc241ef3
diff --git a/src/ca-module.hpp b/src/ca-module.hpp
index c97e4f3..acc2a50 100644
--- a/src/ca-module.hpp
+++ b/src/ca-module.hpp
@@ -21,7 +21,7 @@
 #ifndef NDNCERT_CA_MODULE_HPP
 #define NDNCERT_CA_MODULE_HPP
 
-#include "ca-config.hpp"
+#include "configuration.hpp"
 #include "crypto-support/crypto-helper.hpp"
 #include "ca-storage.hpp"