HG-251 Add video duration and view count

https://wikia-inc.atlassian.net/browse/HG-251

Related pull request for Wikia app: https://github.com/Wikia/app/pull/5198
You can pass the `views` as parameter to the helper and create translations like 'no views', '1 view', '3 views'. Check the plurals sections in the documentation http://i18next.com/pages/doc_features.html Also we use this for `article-comments-label` and `article-last-edit`.