Add sample 8.0.x composer.json.
Add sample 8.0.x composer.json.

- The Drupal Extension with Drupal 8 must request a compatible version
  of Guzzle. See https://behat-drupal-extension.readthedocs.org/en/3.0/localinstall.html

dinamico/generator-gadget,phase2/generator-gadget,phase2/generator-gadget,EvanLovely/generator-gadget,phase2/generator-gadget,dinamico/generator-gadget,phase2/generator-gadget