Switch to side-by-side view

--- a/Allura/allura/model/project.py
+++ b/Allura/allura/model/project.py
@@ -825,6 +825,9 @@
                 nbhd=self.neighborhood.url_prefix.strip('/'),
                 project=self.shortname)
 
+    def bulk_export_filename(self):
+        return '%s.zip' % self.shortname
+
 
 class AppConfig(MappedClass):
     """