Move issue credit listings to new.drupal.org

Pages which are views of issue credits should move to new.drupal.org. Including:

Users
Security advisories: https://www.drupal.org/u/drumm/sa-credits →
All issues: https://www.drupal.org/u/drumm/issue-credits →
Per-project: https://www.drupal.org/u/drumm/issue-credits/3409653 →

Organizations

Security advisories: https://www.drupal.org/node/1646370/sa →
All issues: https://www.drupal.org/node/1646370/issue-credits →
Issues per-project: https://www.drupal.org/node/1646370/issue-credits/6018 →
Issue credit detail: https://www.drupal.org/node/1646370/org-issue-credit-user?months=12 →