DAR-144: Fix global bar to the top
DAR-144: prepare change for ab testing - make it body-class-dependant
DAR-144: Add defaultState for anons in WikiaBar.js
DAR-144: AB Test for global navigation first draft
DAR-144: rename groups, better show that we need no break here
DAR-144: Proper way to handle default params in JS
DAR-144: Move ABTest to WikiaBar.js
Merge pull request #1303 from Wikia/DAR-144

DAR-144: A/B testing for fixed top navigation bar