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/tests/test-lsdb.cpp b/tests/test-lsdb.cpp
index 022efa7..a72c55e 100644
--- a/tests/test-lsdb.cpp
+++ b/tests/test-lsdb.cpp
@@ -28,7 +28,7 @@
   npl1.insert(s1);
   npl1.insert(s2);
 
-//For NameLsa lsType is 1.
+//For NameLsa lsType is name.
 //12 is seqNo, randomly generated.
 //1800 is the default life time.
   NameLsa nlsa1("router1", std::string("name"), 12, 1800, npl1);