Switch to side-by-side view

--- a/Allura/test.ini
+++ b/Allura/test.ini
@@ -81,6 +81,9 @@
 scm.clone.svn = svn checkout --username=$username $source_url $dest_path
 
 scm.repos.root = /tmp
+scm.repos.tarball.enable = true
+scm.repos.tarball.root = /tmp/tarball
+scm.repos.tarball.url_prefix = file://
 
 #stats.sample_rate = 0