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/src/daemon/db-mgr.cpp b/src/daemon/db-mgr.cpp
index 5652de2..52c636f 100644
--- a/src/daemon/db-mgr.cpp
+++ b/src/daemon/db-mgr.cpp
@@ -27,7 +27,7 @@
 namespace ndn {
 namespace ndns {
 
-NDNS_LOG_INIT("DbMgr")
+NDNS_LOG_INIT(DbMgr);
 
 static const std::string NDNS_SCHEMA = R"VALUE(
 CREATE TABLE IF NOT EXISTS zones (