Add initial mvt ab cookie.
Allocate users to ab test using mvt cookie value

Move ab test initialise out of app, into ab module
Refactor travel offers loading

Separate associating countries with keywords from loading travel offers.
adding routes for au/us-alpha
adding mapping for alpha container templates
ability to set where the popular container goes
New style for most read component
Allocate users into fixed value ranges.

Generate mvt cookie before omniture tracking.
Fix ab tests
Merge branch 'master' of github.com:guardian/frontend into unique-id-cookie

Conflicts:
	common/app/assets/javascripts/bootstraps/app.js
Wrap most read list items in links
Move most read placeholder in all content types
Merge pull request #2467 from guardian/us-au-alpha

Adding au/us-alpha fronts
Adjust height of first item count
Remove line break
Merge pull request #2465 from guardian/kc-travel-keywords

Commercial: Refactor travel offers loading
Merge pull request #2469 from guardian/unique-id-cookie

Unique id cookie
Tweak headline list count sizes
Merge pull request #2473 from guardian/new-most-read

New style for most read component
check jshint against es3; fix jshint errors