MinIO: Minor Bug Fix Release

## Highlights - Major performance improvements in reedsolomon implementation. - Add support of TCP fast open in internode calls - see #9486 for more details. - Support Audit logging for admin APIs - see #9568 for more details. - Support multiple policies for STS users - see #9550 for more details. - Fixes a race locking race in local FS/NAS gateway setup which can lead to crashes in high concurrenct environments - see #9598 for more details. - Improve performance with avoiding double ListObjectParts for multipart operations. ## Changelog - add comment on exported error (05/15/20) (Harshavardhana) - add missing admin actions, enhance AccountUsageInfo (#9607) (05/15/20) (Harshavardhana) - add github workflow for windows (#9611) (05/15/20) (Harshavardhana) - mint: Add more SQL tests (#9540) (05/15/20) (Anis Elleuch) - avoid double listObjectParts calls improves performance (#9606) (05/15/20) (Harshavardhana) - fix: possible race in FS local lockMap (#9598) (05/14/20) (Harshavardhana) - Track if bloom filter is dirty (#9601) (05/15/20) (Klaus Post) - tests: Fix one multi-delete test failure in Windows CI (#9602) (05/15/20) (Anis Elleuch) - do not add quotes around etag, if already present (#9603) (05/14/20) (kannappanr) - honor lifecycle expiration with tag rule (#9604) (05/15/20) (Anis Elleuch) - Allow writes for bucket exceeding FIFO quota (#9575) (05/14/20) (poornas) - update KMS guide to reflect latest KES changes (#9591) (05/14/20) (Andreas Auernhammer) - merge nested hash readers (#9582) (05/14/20) (Klaus Post) - Simplify cast of string to rune slice in wildcard matching (#9577) (05/14/20) (Dzmitry Pasiukevich) - fix: windows tests for all cases (#9594) (05/14/20) (Klaus Post) - add formatting message for zones in ordinals (#9596) (05/13/20) (Harshavardhana) - mint tests s3cmd remove copy object test (#9595) (05/13/20) (kannappanr) - Fixes broken image preview for anon user (#9584) (05/13/20) (ebozduman) - fix: use unused cacheMetrics code in prometheus (#9588) (05/13/20) (Harshavardhana) - fix panic when checking if es/nats event target is active (#9587) (05/13/20) (poornas) - add option for O_SYNC writes for standalone FS backend (#9581) (05/12/20) (Krishna Srinivas) - fix: avoid undoing bucket creation and return the first err instead (#9578) (05/12/20) (Anis Elleuch) - fix: LDAP derivative accounts parentUser validation is not needed (#9573) (05/12/20) (Harshavardhana) - Forward RPC errors from crawler (#9569) (05/12/20) (Klaus Post) - Remove brittle tests for cache (#9570) (05/11/20) (poornas) - support multiple policies for temporary users (#9550) (05/11/20) (Harshavardhana) - add audit logging for all admin calls (#9568) (05/11/20) (Harshavardhana) - fix: distributed docs image path (05/11/20) (Harshavardhana) - update distributed setup guide (#9566) (05/11/20) (Harshavardhana) - policy: Do not return an error for invalid value during parsing (#9442) (05/10/20) (Anis Elleuch) - ignore policy/group missing errors appropriately (#9559) (05/09/20) (Harshavardhana) - Update reed+solomon (#9562) (05/09/20) (Klaus Post) - fix mint tests in awscli to ignore NotImplemented properly (#9561) (05/08/20) (Harshavardhana) - Add support of TCP fast open in internode calls (#9486) (05/08/20) (Anis Elleuch) - cleanup object-lock/bucket tagging for gateways (#9548) (05/08/20) (Harshavardhana) - disable check for DirectIO in standalone FS mode (#9558) (05/08/20) (Anis Elleuch) - Fix azure gateway handling of ETag for CopyObject (#9544) (05/08/20) (poornas)