Resolve "Reference the Drupal coding standard instead of forking it"

See merge request !2

Merge branch '1-reference-the-drupal-coding-standard-instead-of-forking-it' of lab.civicrm.org:michaelmcandrew/civicrm-coding-standards into 1-reference-the-drupal-coding-standard-instead-of-forking-it

Reference the Drupal coding standard instead of forking it

Closes #1

See merge request !1