build: Upgrade waf to version 2.0.6

This commit also includes:
- cleanup of build scripts
- replacing log4cxx with ndn-cxx logging facility

Change-Id: I96fd673a3cd2e06061e9efc1a7891e41cf97ea4f
diff --git a/tests/unit/daemon/db-mgr.cpp b/tests/unit/daemon/db-mgr.cpp
index 4f730b9..ffa38b8 100644
--- a/tests/unit/daemon/db-mgr.cpp
+++ b/tests/unit/daemon/db-mgr.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2017, Regents of the University of California.
+ * Copyright (c) 2014-2018, Regents of the University of California.
  *
  * This file is part of NDNS (Named Data Networking Domain Name Service).
  * See AUTHORS.md for complete list of NDNS authors and contributors.
@@ -26,7 +26,7 @@
 namespace ndns {
 namespace tests {
 
-NDNS_LOG_INIT("DbMgrTest")
+NDNS_LOG_INIT(DbMgrTest);
 
 BOOST_AUTO_TEST_SUITE(DbMgr)