src: minor updates to common.hpp and common-pch.hpp

Also remove redundant includes.

Change-Id: I0e1f55abcf852b95a4fd8c9a0e3a30aa153f892c
diff --git a/src/common-pch.hpp b/src/common-pch.hpp
index ad4bbff..16bd531 100644
--- a/src/common-pch.hpp
+++ b/src/common-pch.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2016 Regents of the University of California.
+ * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -45,10 +45,10 @@
 #include <boost/iostreams/categories.hpp>
 #include <boost/iostreams/stream.hpp>
 #include <boost/lexical_cast.hpp>
-#include <boost/property_tree/ptree.hpp>
-#include <boost/property_tree/info_parser.hpp>
+#include <boost/multi_index_container.hpp>
+#include <boost/range/adaptors.hpp>
+#include <boost/range/algorithm/copy.hpp>
 #include <boost/regex.hpp>
-#include <boost/system/error_code.hpp>
 
 // Other useful headers to precompile
 #include "security/v1/cryptopp.hpp"