core: reimplement logging using ndn-cxx's facility

Change-Id: Ifc7c5d70a61ad405dc1f1adfa522a2c0ad1586ab
Refs: #4580
diff --git a/daemon/mgmt/general-config-section.hpp b/daemon/mgmt/general-config-section.hpp
index 6ce5473..a70bc48 100644
--- a/daemon/mgmt/general-config-section.hpp
+++ b/daemon/mgmt/general-config-section.hpp
@@ -1,11 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014  Regents of the University of California,
- *                     Arizona Board of Regents,
- *                     Colorado State University,
- *                     University Pierre & Marie Curie, Sorbonne University,
- *                     Washington University in St. Louis,
- *                     Beijing Institute of Technology
+/*
+ * Copyright (c) 2014-2018,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -20,22 +21,20 @@
  *
  * You should have received a copy of the GNU General Public License along with
  * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
- **/
+ */
 
 #ifndef NFD_MGMT_GENERAL_CONFIG_SECTION_HPP
 #define NFD_MGMT_GENERAL_CONFIG_SECTION_HPP
 
+#include "core/config-file.hpp"
+
 namespace nfd {
-
-class ConfigFile;
-
 namespace general {
 
 void
-setConfigFile(ConfigFile& configFile);
+setConfigFile(ConfigFile& config);
 
 } // namespace general
-
 } // namespace nfd
 
 #endif // NFD_MGMT_GENERAL_CONFIG_SECTION_HPP