Port request: required_by_role

[jenlampton]

trafficstars

Name of the module, theme, or layout Required by role

Link to the drupal.org module, theme, or layout https://www.drupal.org/project/required_by_role

Link to D7 source code https://git.drupalcode.org/project/required_by_role

Jen's initial reaction:

• field API - should 'just work'
• date inc file should be loaded only when needed

(Optional) Link to an issue in the drupal.org queue asking the Drupal community if anyone is working on a Backdrop port of this project todo