Update versions and clean things up a little

* Switch to media 7.x-2.x / mbp 7.x-3.x / media_vimeo 7.x-2.x / media_youtube 7.x-2.x
* Drop webform in favour of entityform
* Add patch so strongarm values can be altered - see https://drupal.org/node/2076543
* Drop breakpoints - not using navbar
* Drop features_orphans - doesn't work with features 7.x-2.x
* Drop location - was already commented out