cookie management; a/b variation selection; body class attributes
remove this method
finish the timestamp checks in clean_variations
code review: namespace improvements
code review: refactor bstat_t
added submodule as components/js/external/jquery-cookie
added jquery-cookie as submodule
ensure this method works with submoduled jquery.cookie.js also
conditionally load jquery-cookie from local submodule, if it's not already enqueued
move cookie name and expiration data to config
clarify that this is the cookie name
Merge branch 'master' of github.com:misterbisson/bstat into issue-2916-js-behaviors

Conflicts:
	components/js/bstat.js
Merge pull request #8 from okredo/issue-2916-js-behaviors

js behaviors for a/b testing
Merge branch 'master' of github.com:misterbisson/bstat into abtests