add form template

use render in ddportfolio controller
add webhelpers.rails to helpers.py
create showform.mako resembling the output of the old ddportfolio.py

ddportfolioservice/controllers/ddportfolio.py

@@ -10,4 +10,4 @@ class DdportfolioController(BaseController):
         # Return a rendered template
         #   return render('/some/template.mako')
         # or, Return a response
-        return 'Hello World'
+        return render('/showform.mako')