Switch to side-by-side view

--- a/requirements-common.txt
+++ b/requirements-common.txt
@@ -19,7 +19,7 @@
 httplib2==0.7.4
 iso8601==0.1.4
 Jinja2==2.6
-Markdown==2.0.3
+Markdown==2.2.0
 mercurial==1.4.3
 Ming==0.3.2dev-20121101
 oauth2==1.5.170