Switch to side-by-side view

--- a/requirements-sf.txt
+++ b/requirements-sf.txt
@@ -9,6 +9,8 @@
 phpserialize==1.2
 psycopg2==2.2.2
 sf.phpsession==0.1
+SQLAlchemy==0.7.2
+sqlalchemy-migrate==0.7.1
 pyzmq==2.1.7
 
 # for the migration scripts only