Switch to side-by-side view

--- a/Allura/allura/model/artifact.py
+++ b/Allura/allura/model/artifact.py
@@ -19,8 +19,6 @@
 import cPickle as pickle
 from collections import defaultdict
 from datetime import datetime
-from urlparse import urljoin
-from tg import config
 
 import bson
 import pymongo
@@ -98,8 +96,7 @@
             labels=self.labels,
             related_artifacts=[a.url() for a in self.related_artifacts()],
             discussion_thread=self.discussion_thread,
-            discussion_thread_url=urljoin(config.get('base_url', 'http://sourceforge.net/'),
-                                          '/rest%s' % self.discussion_thread.url()),
+            discussion_thread_url=h.absurl('/rest%s' % self.discussion_thread.url()),
         )
 
     def parent_security_context(self):