build: update waf to version 2.0.6

Major cleanup of all build scripts

Change-Id: I6904f034d40adc66366fdf08749900ffb31c68d9
diff --git a/docs/index.rst b/docs/index.rst
index 4903931..0c5094e 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -2,9 +2,8 @@
 =============================================
 
 NFD is a network forwarder that implements and evolves together with the Named Data
-Networking (NDN) `protocol <https://named-data.net/doc/ndn-tlv/>`__. After the initial
-release, NFD will become a core component of the `NDN Platform
-<https://named-data.net/codebase/platform/>`__ and will follow the same release cycle.
+Networking (NDN) `protocol <https://named-data.net/doc/ndn-tlv/>`__. NFD is a core
+component of the `NDN Platform <https://named-data.net/codebase/platform/>`__.
 
 NFD Documentation
 -----------------