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/lsdb.hpp b/src/lsdb.hpp
index 3ad3007..ff7450a 100644
--- a/src/lsdb.hpp
+++ b/src/lsdb.hpp
@@ -39,8 +39,9 @@
   bool
   isNameLsaNew(const ndn::Name& key, uint64_t seqNo);
 
+  //debugging
   void
-  printNameLsdb(); //debugging
+  printNameLsdb();
 
   //function related to Cor LSDB
   bool
@@ -58,8 +59,9 @@
   bool
   isCoordinateLsaNew(const ndn::Name& key, uint64_t seqNo);
 
+  //debugging
   void
-  printCorLsdb(); //debugging
+  printCorLsdb();
 
   //function related to Adj LSDB
   void