Let each form define its "save" button text

where applicable etc.

tailbone/forms2/core.py

@@ -320,6 +320,7 @@ class Form(object):
     """
     Base class for all forms.
     """
+    save_label = "Save"
     update_label = "Save"
     show_cancel = True
 

tailbone/templates/forms2/deform.mako

@@ -72,7 +72,7 @@ ${h.csrf_token(request)}
 % elif not readonly:
     <div class="buttons">
       ## ${h.submit('create', form.create_label if form.creating else form.update_label)}
-      ${h.submit('save', "Save")}
+      ${h.submit('save', getattr(form, 'save_label', "Save"))}
 ##         % if form.creating and form.allow_successive_creates:
 ##             ${h.submit('create_and_continue', form.successive_create_label)}
 ##         % endif