Partially fixed normal bug (EXT-4212) There's an ability to send non-latin group

notices but they turn to '????...' in group profile page
- Disabled non-ascii characters in group notice subject editor.
- Group notice text editor depends on (EXT-3103) Add an option to restrict entering non-ascii symbols in text editor.

--HG--
branch : product-engine

indra/newview/skins/default/xui/en/panel_group_notices.xml

@@ -136,6 +136,7 @@ Maximum 200 per group daily
          left_pad="3"
          max_length="63"
          name="create_subject"
+         prevalidate_callback="ascii"
          width="220" />
         <text
          follows="left|top"