[master] dcb6d43 Add beresp.was_304 to changes list.

[Dag Haavi Finstad]

commit dcb6d43611edb9e123043b4f225aaed6ea21d5fa
Author: Dag Haavi Finstad <daghf at varnish-software.com>
Date:   Wed Sep 30 15:28:33 2015 +0200

    Add beresp.was_304 to changes list.

diff --git a/doc/sphinx/whats-new/changes.rst b/doc/sphinx/whats-new/changes.rst
index 5077c0a..d9b0825 100644
--- a/doc/sphinx/whats-new/changes.rst
+++ b/doc/sphinx/whats-new/changes.rst
@@ -157,4 +157,8 @@ Other noteworthy small changes
 * Varnish will now use the ``stale-while-revalidate`` defined in RFC5861
   to set object grace time.
 * -smalloc storage is now recommended over -sfile on Linux systems.
+* New VCL variable ``beresp.was_304`` has been introduced in
+  ``vcl_backend_response``. Will be set to ``true`` if the response
+  from the backend was a positive result of a conditional fetch (``304
+  Not Modified``).