Cannot save changes to the Roles management page

[jwalgran]

• Follow the README instructions to provision the VM and create an instance
• Browse http://localhost:7070/{url_name}/management/roles/
• Click Edit then click Save

An error is logged to the JS console

roles.js:97 Uncaught TypeError: $(...).data(...).split is not a function
    at getRolePermissions (roles.js:97)
    at Bacon.js:444
    at Next.value (Bacon.js:2418)
    at Object.sink (Bacon.js:887)
    at Dispatcher.push (Bacon.js:1503)
    at Dispatcher.handleEvent (Bacon.js:1534)
    at Object.Dispatcher.handleEvent [as sink] (Bacon.js:1541)
    at Dispatcher.push (Bacon.js:1503)
    at Dispatcher.<anonymous> (Bacon.js:675)
    at Object.Dispatcher.handleEvent [as sink] (Bacon.js:1541)