* wip: client: i18n
* remove maxAge from cookies to get same expiration ad localStorage
* set cookies expiration to 10 years
* moment: load translations in browser, moment: only load necessary data, remove jquery, remove bluebird
* ability to change language
* fix logout
* add some requiresLogin: false to static pages
* fix tests
* try to freeze content object
* deep freeze the content object, start to implement stable
* freeze at the /common level
* go back to freezing content only on the client
* use deep-frezze-strict to support phantomjs
* use own version of deepFreeze
* update comment about deepFreeze