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

Change-Id: I32e34d6b2ee8cfd85ec83f62323dd7a51f2238d6
diff --git a/examples/consumer-with-timer.cpp b/examples/consumer-with-timer.cpp
index 96b2e00..93fcb8b 100644
--- a/examples/consumer-with-timer.cpp
+++ b/examples/consumer-with-timer.cpp
@@ -49,8 +49,8 @@
   i.setMustBeFresh(true);
 
   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));
 }
 
 int
@@ -68,8 +68,8 @@
     // Create face with io_service object
     Face face(ioService);
     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));
 
 
     // Create scheduler object
@@ -77,7 +77,7 @@
 
     // Schedule a new event
     scheduler.scheduleEvent(time::seconds(2),
-                            bind(&delayedInterest, boost::ref(face)));
+                            bind(&delayedInterest, ref(face)));
 
     // ioService.run() will block until all events finished or ioService.stop() is called
     ioService.run();