TINYMCE_DOMAIN for cross-subdomain support
Also slugify ImageContent.get_format_display for more flexible/robust styling.
Fix PageAdmin.add_view: title should be a Unicode string otherwise ugettext will raise UnicodeDecodeError when 'language' or 'page.title' is not in ASCII.
Merge pull request #429 from jimmyye/master

Fix PageAdmin.add_view
Merge pull request #428 from DrMeers/next

TINYMCE_DOMAIN for cross-subdomain support
Merge branch 'master' into next

* master:
  Fix PageAdmin.add_view: title should be a Unicode string otherwise ugettext will raise UnicodeDecodeError when 'language' or 'page.title' is not in ASCII.
Merge branch 'next' into tabbed_options