Switch to side-by-side view

--- a/Allura/allura/lib/widgets/subscriptions.py
+++ b/Allura/allura/lib/widgets/subscriptions.py
@@ -50,6 +50,14 @@
         submit_text='Save')
     class fields(ew_core.NameList):
         subscriptions=_SubscriptionTable()
+        email_format = ew.SingleSelectField(
+                    name='email_format',
+                    label='Email Format',
+                    options=[
+                        ew.Option(py_value='plain', label='Plain Text'),
+                        ew.Option(py_value='html', label='HTML'),
+                        ew.Option(py_value='both', label='Combined')])
+
 
 class SubscribeForm(ew.SimpleForm):
     template='jinja:allura:templates/widgets/subscribe.html'