Add alphatest preference endpoint for dropping cookies
Change cookie name
Add UkAlphaSwitch
Add method for getting potential uk alpha path if conditions are right
Change to GU_UK_ALPHA
Better name for preference controller
More explicit route for uk alpha
Switch route object to new object name
Add path back into if
Use exists instead of filter isDefined
Switch text
Merge branch 'alpha-ab-test'

Conflicts:
	facia/app/controllers/FaciaController.scala