main: use boost::program_options and other cleanups

Change-Id: I5d20e78aaf782b6d0013175f9db9d2eb33156776
diff --git a/src/repo.cpp b/src/repo.cpp
index 9deef35..2bdc833 100644
--- a/src/repo.cpp
+++ b/src/repo.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018, Regents of the University of California.
+ * Copyright (c) 2014-2019, Regents of the University of California.
  *
  * This file is part of NDN repo-ng (Next generation of NDN repository).
  * See AUTHORS.md for complete list of repo-ng authors and contributors.
@@ -24,7 +24,7 @@
 
 namespace repo {
 
-NDN_LOG_INIT(repo);
+NDN_LOG_INIT(repo.Repo);
 
 RepoConfig
 parseConfig(const std::string& configPath)