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/name-server.cpp b/src/daemon/name-server.cpp
index c7649ef..cc1c881 100644
--- a/src/daemon/name-server.cpp
+++ b/src/daemon/name-server.cpp
@@ -24,7 +24,8 @@
 
 namespace ndn {
 namespace ndns {
-NDNS_LOG_INIT("NameServer")
+
+NDNS_LOG_INIT(NameServer);
 
 const time::milliseconds NAME_SERVER_DEFAULT_CONTENT_FRESHNESS(4000);
 
@@ -134,7 +135,7 @@
                          bind(&NameServer::doUpdate, this, interest.shared_from_this(), data),
                          [this] (const Data& data, const security::v2::ValidationError& msg) {
                            NDNS_LOG_WARN("Ignoring update that did not pass the verification. "
-                                         << "Check the root certificate")
+                                         << "Check the root certificate");
                          });
   }
 }