Config logABug feature for heat api-ref

Currently, heat api-ref is not configured with logABug feature.
When users click "Report bug" button, it leads to "openstack-manuals"
which is default.

Change-Id: I8f1fc450189d1cc2f931f5fdc8ba6d3eaccf5fc0

api-ref/source/conf.py

@@ -96,6 +96,14 @@ release = version_info.release_string()
 # The short X.Y version.
 version = version_info.version_string()
 
+# Config logABug feature
+giturl = u'http://git.openstack.org/cgit/openstack/heat/api-ref/source'
+# source tree
+# html_context allows us to pass arbitrary values into the html template
+html_context = {'bug_tag': 'api-ref',
+                'giturl': giturl,
+                'bug_project': 'heat'}
+
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #