Digitrust id support

[goosemanjack]

Type of change

• [X ] Feature
• [X ] Other

Description of change

Support for DigiTrust Id as an optional module withing the UserId module.

{
  usersync: {
    userIds: [{
      name: "digitrust",
      params: {
      init: {
        member: 'example_member_id',
        site: 'example_site_id'
      },
      callback: function (digiTrustResult) {
        if (digiTrustResult.success) {
        var el = document.getElementById('dtidOutput');
        console.log('Success in Digitrust init');
        if (digiTrustResult.identity && digiTrustResult.identity.id != null) {
          el.innerHTML = 'DigiTrust Id (encrypted): ' + digiTrustResult.identity.id;
        }
        else {
          console.error('Digitrust gave success, but no identity returned');
          el.innerHTML = 'DigiTrust gave success, but no identity returned';
        }
        }
        else {
        console.error('Digitrust init failed');
        }
      }
      },
      storage: {
      type: "html5",
      name: "pbjsdigitrust",
      expires: 60
      }
    }]
}

• contact email of the adapter’s maintainer
  ccole@emination.com
  info@iabtechlab.com
• [X ] official adapter submission

Other information

This builds on the UserId module.
#3424

[idettman]

On hold until User ID Module is merged, since this PR includes files from the userId.

[bretg]

Please fix conflicts

[idettman]

Please fix the conflicts preventing LGTM analysis

[idettman]

Fix conflicts

[goosemanjack]

This is invalid. Reference pull request 3739
#3739