[bug 999669] Add locales removed in fb6559b3 to NON_SUPPORTED_LOCALES.
[bug 999669] Fix EU Ballot middleware.

It was getting triggered by the Basque locale (eu).
Bad logic was bad.
[Bug 998767] Fix {for not win}
Fix bad variable name in ui.js

This was a bug introduced in dda371ea.
[bug 997781] Implement html caching for article page.
Fix i18n.js
[bug 951617] Exclude How to articles from L10N metrics
Fix typo in closing <a/> tag.
Use @wraps in cache decorator.
Make alternate mobile banner remember closed state
Update db strings.
[bug 997978] Fix unhelpful survey.
[bug 994070] Update purge_hashes for django 1.6
Synonyms: Models and migrations.
Synonyms: Basic admin and read-only bulk.
Synonyms: Hawt bulk editor.
Reduce duplication
Synonyms! Only at index creation though.