Move contributing into HACKING
contributing.rst doesn't add very much over the extant HACKING.rst, so
move some of the unique bits into HACKING.rst and then link that into
the documentation.
Change-Id: I0530f38eda92f8dd374c0ec224556ace6e679f54
diff --git a/doc/source/index.rst b/doc/source/index.rst
index bac593d..0ffb15c 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -12,7 +12,7 @@
plugins
faq
changes
- contributing
+ hacking
Quick Start
-----------
@@ -139,7 +139,7 @@
Contributing
------------
-:doc:`Pitching in to make DevStack a better place <contributing>`
+:doc:`Pitching in to make DevStack a better place <hacking>`
Code
====