Add option to include job name in report

This can be used to create more sophisticated commentLinks in
Gerrit.

Change-Id: I74702fd7d37358e6f4caa7e7ac0a3ede73184077
diff --git a/doc/source/zuul.rst b/doc/source/zuul.rst
index 715ba39..d1cbbc5 100644
--- a/doc/source/zuul.rst
+++ b/doc/source/zuul.rst
@@ -133,6 +133,12 @@
   URLs for those links should be.
   ``http://logs.example.com/{change.number}/{change.patchset}/{pipeline.name}/{job.name}/{build.number}``
 
+**job_name_in_report**
+  Boolean value (``true`` or ``false``) that indicates whether the
+  job name should be included in the report (normally only the URL
+  is included).  Defaults to ``false``.
+  ``job_name_in_report=true``
+
 layout.yaml
 ~~~~~~~~~~~