S3Proxy 1.6.1

• add basic CORS support
• allow glacier storage tier during PUT object
• emit UTF-8 character encoding consistently
• fix NullBlobStore to correctly record blob lengths
• handle missing extended attributes on file systems lacking support
• Java 9 and newer compatibility
• optimize list with prefix on filesystem provider
• periodically emit newlines during CompleteMultipartUpload to avoid timeouts
• upgrade to Apache jclouds 2.1.2 with several storage backend compatibility fixes

Thanks @ben-st, @pscanf, @randomcoder, and @reimannf for opening pull requests to improve S3Proxy!