Updated for https://www.drupal.org/node/2310411.
Merge branch '8.x-1.x' into 2316481-form-state-object
Updated randomName() is now randomMachineName().
Replaced more form state arrays with propre objects in tests.
Updated for https://www.drupal.org/node/2315237.
Fixed one missing FormState conversion.
by slashrsm: Fix 2nd step not displaying correctly.
Renamed submission handlers to be a bit more descriptive.
Attempt to disable phpcs for now. Does this fix Travis?
Merge pull request #87 from drupal-media/2316481-form-state-object

Updated for https://www.drupal.org/node/2310411.