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/clients/iterative-query-controller.cpp b/src/clients/iterative-query-controller.cpp
index 442f9dc..6500c79 100644
--- a/src/clients/iterative-query-controller.cpp
+++ b/src/clients/iterative-query-controller.cpp
@@ -23,7 +23,8 @@
 
 namespace ndn {
 namespace ndns {
-NDNS_LOG_INIT("IterQueryCtr")
+
+NDNS_LOG_INIT(IterQueryCtr);
 
 IterativeQueryController::IterativeQueryController(const Name& dstLabel,
                                                    const name::Component& rrType,