Switch to side-by-side view

--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,5 +4,9 @@
 Pygments==1.4
 python-ldap>=2.3.9
 
+# for the migration scripts only
+html2text>=3.02
+postmarkup>=1.1.4
+
 # Include our common requirements
 -r requirements-common.txt