Switch to side-by-side view

--- a/Allura/allura/model/repo_refresh.py
+++ b/Allura/allura/model/repo_refresh.py
@@ -89,7 +89,7 @@
             ref = ArtifactReferenceDoc(dict(
                     _id=index_id,
                     artifact_reference=dict(
-                        cls=dumps(Commit),
+                        cls=bson.Binary(dumps(Commit)),
                         project_id=repo.app.config.project_id,
                     app_config_id=repo.app.config._id,
                         artifact_id=oid),