build: Fixing build and unit tests

Use only C++ and boost methods (memory copying, comparison, time
operations), which are guaranteed to be present on all platforms
with C++ and boost libraries.

Change-Id: Ia2883555c55909a4f7a877cf6d5fbd49b12c73c8
diff --git a/examples/wscript b/examples/wscript
index a3a5e8a..2cf856f 100644
--- a/examples/wscript
+++ b/examples/wscript
@@ -7,6 +7,6 @@
         bld(features=['cxx', 'cxxprogram'],
             target = '%s' % (str(app.change_ext('','.cpp'))),
             source = app,
-            use = 'ndn-cpp-dev-stlib',
+            use = 'ndn-cpp-dev',
             install_prefix = None,
             )