mod_cloud_notify_extensions: Add note about dependency Noting here because people might not click through to see it on the mod_cloud_notify_encrypted page.

2c07bcf56a36d6e74dc0f5422e89bd61f4d31239 0.8-diverge
1656d4fd71d07aa3a52da89d4daf7723a555e7dd last-google-code-commit