src: configuration file parsing

used boost::property_tree::info_parser for parsing nlsr's configuration file and
changed configuration command style to info command style. Removed tokenizer from
nlsr

Refs: #1542

Change-Id: If017ddd7eef5caa59b33940bfc27a71aa4de266b
diff --git a/src/name-prefix-list.cpp b/src/name-prefix-list.cpp
index c8d9285..f00d0d0 100644
--- a/src/name-prefix-list.cpp
+++ b/src/name-prefix-list.cpp
@@ -30,8 +30,7 @@
                                                    m_nameList.end(),
                                                    ndn::bind(&nameCompare, _1 ,
                                                              ndn::cref(name)));
-  if (it != m_nameList.end())
-  {
+  if (it != m_nameList.end()) {
     return -1;
   }
   m_nameList.push_back(name);
@@ -45,8 +44,7 @@
                                                    m_nameList.end(),
                                                    ndn::bind(&nameCompare, _1 ,
                                                    ndn::cref(name)));
-  if (it != m_nameList.end())
-  {
+  if (it != m_nameList.end()) {
     m_nameList.erase(it);
   }
   return -1;
@@ -63,9 +61,7 @@
 {
   int i = 1;
   for (std::list<ndn::Name>::iterator it = m_nameList.begin();
-       it != m_nameList.end();
-       it++)
-  {
+       it != m_nameList.end(); it++) {
     cout << "Name " << i << " : " << (*it) << endl;
     i++;
   }