Control the headline of forms to say "New" and "Edit" depending

on what we're actually doing.

pgweb/util/helpers.py

@@ -51,6 +51,7 @@ def simple_form(instancetype, itemid, request, formclass, formtemplate='base/for
 		'markdownfields': markdownfields,
 		'form_intro': hasattr(form, 'form_intro') and form.form_intro or None,
 		'savebutton': (itemid == "new") and "New" or "Save",
+		'operation': (itemid == "new") and "New" or "Edit",
 	}, NavContext(request, navsection))
 
 def template_to_string(templatename, attrs = {}):