build+tests: Fixing c++11 mode compilation and correcting integrated test with faces

Change-Id: I32e34d6b2ee8cfd85ec83f62323dd7a51f2238d6
diff --git a/examples/consumer.cpp b/examples/consumer.cpp
index 8639db0..49d1041 100644
--- a/examples/consumer.cpp
+++ b/examples/consumer.cpp
@@ -47,8 +47,8 @@
 
     Face face;
     face.expressInterest(i,
-                         bind(onData, boost::ref(face), _1, _2),
-                         bind(onTimeout, boost::ref(face), _1));
+                         bind(onData, ref(face), _1, _2),
+                         bind(onTimeout, ref(face), _1));
 
     // processEvents will block until the requested data received or timeout occurs
     face.processEvents();