Switched documentation to point to storyboard.

We've migrated this project to storyboard, I'm updating the documentation links.

Change-Id: I6b7b863f0cff155f2b142937b112eee6f51d95db
diff --git a/README.rst b/README.rst
index ef52cf5..3890b1e 100644
--- a/README.rst
+++ b/README.rst
@@ -4,4 +4,4 @@
 
 jeepyb is a collection of tools which make managing a gerrit easier.
 Specifically, management of gerrit projects and their associated upstream
-integration with things like github and launchpad.
+integration with things like github, launchpad, and storyboard.