src: Remove unnecessary uses of boost::cref in make_shared and replace boost::cref/boost::ref with just cref/ref

In some cases, due to argument-dependent lookup, it is necessary to use
ndn::ref, instead of just ref.

Change-Id: I682180a007609535855f77511b49622154ad4f11
Refs: #1591
diff --git a/daemon/fw/face-table.cpp b/daemon/fw/face-table.cpp
index ce66a89..ec9deb6 100644
--- a/daemon/fw/face-table.cpp
+++ b/daemon/fw/face-table.cpp
@@ -58,9 +58,9 @@
                                               " local=" << face->getLocalUri());
 
   face->onReceiveInterest += bind(&Forwarder::onInterest,
-                                  &m_forwarder, boost::ref(*face), _1);
+                                  &m_forwarder, ref(*face), _1);
   face->onReceiveData     += bind(&Forwarder::onData,
-                                  &m_forwarder, boost::ref(*face), _1);
+                                  &m_forwarder, ref(*face), _1);
   face->onFail            += bind(&FaceTable::remove,
                                   this, face);