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/face/face.cpp b/daemon/face/face.cpp
index 46dbcf6..75600b4 100644
--- a/daemon/face/face.cpp
+++ b/daemon/face/face.cpp
@@ -40,10 +40,10 @@
   , m_localUri(localUri)
   , m_isOnDemand(false)
 {
-  onReceiveInterest += bind(&increaseCounter, boost::ref(m_counters.getNInInterests()));
-  onReceiveData     += bind(&increaseCounter, boost::ref(m_counters.getNInDatas()));
-  onSendInterest    += bind(&increaseCounter, boost::ref(m_counters.getNOutInterests()));
-  onSendData        += bind(&increaseCounter, boost::ref(m_counters.getNOutDatas()));
+  onReceiveInterest += bind(&increaseCounter, ref(m_counters.getNInInterests()));
+  onReceiveData     += bind(&increaseCounter, ref(m_counters.getNInDatas()));
+  onSendInterest    += bind(&increaseCounter, ref(m_counters.getNOutInterests()));
+  onSendData        += bind(&increaseCounter, ref(m_counters.getNOutDatas()));
 }
 
 Face::~Face()