Adding command line tool to view ca status including the challenge secret

Change-Id: I865a5a87594a95f49cb18cc934fd015b3415adf3
Refs:#4048
diff --git a/tools/wscript b/tools/wscript
index 957a837..a4b6ef3 100644
--- a/tools/wscript
+++ b/tools/wscript
@@ -13,3 +13,8 @@
         target='../bin/ndncert-ca-server',
         source='ndncert-ca-server.cpp',
         use='ndn-cert')
+
+    bld(features='cxx cxxprogram',
+        target='../bin/ndncert-ca-status',
+        source='ndncert-ca-status.cpp',
+        use='ndn-cert')