build: various updates

 * Upgrade waf to 2.0.14
 * Sync default compiler flags with ndn-cxx
 * Simplify compilation of unit-tests

Change-Id: I94865d405240c181dd4cfdd1cb730b756ad5166a
diff --git a/tests/boost-test.hpp b/tests/boost-test.hpp
index 7756923..cbf897d 100644
--- a/tests/boost-test.hpp
+++ b/tests/boost-test.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2014 University of California, Los Angeles
+ * Copyright (c) 2012-2019 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -24,8 +24,7 @@
 #pragma GCC system_header
 #pragma clang system_header
 
+#define BOOST_TEST_DYN_LINK
 #include <boost/test/unit_test.hpp>
-#include <boost/concept_check.hpp>
-#include <boost/test/output_test_stream.hpp>
 
 #endif // CHRONOSYNC_TESTS_BOOST_TEST_HPP