Move selenium2 driver to ss vendor
Move selenium2 driver to ss vendor

benmanu/silverstripe-behat-extension,chillu/silverstripe-behat-extension,jeffreyguo/SS-Behat-quicksetup,silverstripe-labs/silverstripe-behat-extension,jeffreyguo/SS-Behat-quicksetup,IgorNadj/silverstripe-behat-extension,silverstripe/silverstripe-behat-extension,silverstripe/silverstripe-behat-extension,jeffreyguo/silverstripe-behat-extension,tractorcow/silverstripe-behat3