Changed the edit template to show a Submit button instead of Save Changes when "creating" an entity.
This is because Save Changes confuses people, it has the tendency to imply a partial save.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
<html>
<head><title>We ran out of memory</title></head>
<body>
We ran out of memory while serving your request, please try again.
</body>
</html>