build: switch to C++14

Change-Id: I7a32dad01e74ef5b7c5f37a5464d0b17a7882c61
Refs: #3076
diff --git a/daemon/face/face.hpp b/daemon/face/face.hpp
index 4a97b3f..a81a75e 100644
--- a/daemon/face/face.hpp
+++ b/daemon/face/face.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2017,  Regents of the University of California,
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -68,7 +68,7 @@
 #ifndef WITH_TESTS
 final
 #endif
-  : public enable_shared_from_this<Face>, noncopyable
+  : public std::enable_shared_from_this<Face>, noncopyable
 {
 public:
   Face(unique_ptr<LinkService> service, unique_ptr<Transport> transport);
diff --git a/daemon/fw/access-strategy.hpp b/daemon/fw/access-strategy.hpp
index 4374fa2..cdb55e2 100644
--- a/daemon/fw/access-strategy.hpp
+++ b/daemon/fw/access-strategy.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014-2017,  Regents of the University of California,
+/*
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -27,10 +27,8 @@
 #define NFD_DAEMON_FW_ACCESS_STRATEGY_HPP
 
 #include "strategy.hpp"
-#include "core/rtt-estimator.hpp"
 #include "retx-suppression-fixed.hpp"
-#include <unordered_set>
-#include <unordered_map>
+#include "core/rtt-estimator.hpp"
 
 namespace nfd {
 namespace fw {
diff --git a/daemon/mgmt/command-authenticator.hpp b/daemon/mgmt/command-authenticator.hpp
index 114dcd3..5589187 100644
--- a/daemon/mgmt/command-authenticator.hpp
+++ b/daemon/mgmt/command-authenticator.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014-2017,  Regents of the University of California,
+/*
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -27,6 +27,7 @@
 #define NFD_DAEMON_MGMT_COMMAND_AUTHENTICATOR_HPP
 
 #include "core/config-file.hpp"
+
 #include <ndn-cxx/mgmt/dispatcher.hpp>
 
 namespace ndn {
@@ -39,9 +40,9 @@
 
 namespace nfd {
 
-/** \brief provides ControlCommand authorization according to NFD configuration file
+/** \brief Provides ControlCommand authorization according to NFD configuration file.
  */
-class CommandAuthenticator : public enable_shared_from_this<CommandAuthenticator>, noncopyable
+class CommandAuthenticator : public std::enable_shared_from_this<CommandAuthenticator>, noncopyable
 {
 public:
   static shared_ptr<CommandAuthenticator>
diff --git a/daemon/table/cs-policy-priority-fifo.hpp b/daemon/table/cs-policy-priority-fifo.hpp
index 4ac5a63..a914891 100644
--- a/daemon/table/cs-policy-priority-fifo.hpp
+++ b/daemon/table/cs-policy-priority-fifo.hpp
@@ -29,6 +29,8 @@
 #include "cs-policy.hpp"
 #include "core/scheduler.hpp"
 
+#include <list>
+
 namespace nfd {
 namespace cs {
 namespace priority_fifo {
diff --git a/daemon/table/pit-entry.hpp b/daemon/table/pit-entry.hpp
index c0fee00..2e49824 100644
--- a/daemon/table/pit-entry.hpp
+++ b/daemon/table/pit-entry.hpp
@@ -30,6 +30,8 @@
 #include "pit-out-record.hpp"
 #include "core/scheduler.hpp"
 
+#include <list>
+
 namespace nfd {
 
 namespace name_tree {