AmazonS3 7.x-2.1-beta1 Changes since 7.x-2.0: * Issue #2414127: Automatic region detection based on bucket * Update to AWS SDK 2.8.19-p1 * Issue #2500397: Fix temporary file 5XXs when the system is out of sync * Issue #2511734: Fix unlimited values in file fields * Issue #2502601: Add IMCE docs to the README * Issue #2558797: Require S3 configuration before exposing the stream wrapper * Issue #2557161: Fix ignoring custom endpoint setting * Issue #2502601: Fix notice on getExternalUri with no object key * Issue #2494829: Fix getimagesize() failing when images require fseek * Issue #2507071: Link to AmazonS3 Sync and CORS module. * Update with direct link to patch URL for media browser. * Cleanup temporary style files with cron.