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/mgmt/management-tool.cpp b/src/mgmt/management-tool.cpp
index 5407427..3832561 100644
--- a/src/mgmt/management-tool.cpp
+++ b/src/mgmt/management-tool.cpp
@@ -42,7 +42,7 @@
 namespace ndn {
 namespace ndns {
 
-NDNS_LOG_INIT("ManagementTool")
+NDNS_LOG_INIT(ManagementTool);
 
 using security::transform::base64Encode;
 using security::transform::streamSink;