MinIO: Bug fix release.

### Highlights - **CopyObjectPart** API implemented supporting recent docker registry release. - **Browser** improvements handles large directories now with infinite scrolling. - Minio server now can be built on **OpenBSD**, **NetBSD**, **Solaris/Illumos**. - **Windows** now supports full case insensitive behavior. - **PutObject** major optimization change for XL now splits parts properly. - **Retry** go-routine control fix for server under high load. - **Bitrot** now works properly on ARM. - **JWT** secretKey hash now cached. ### ChangeLog - (tag: RELEASE.2017-02-15T22-55-24Z, origin/release) Bump to new release (5 minutes ago) <Minio Trusted> - Merge branch 'master' into release (7 minutes ago) <Minio Trusted> - browser: Remove currentPath prefix in object names from list result. (#3750) (2 hours ago) <Krishna Srinivas> - sRPC/client: Properly trim storageRPCPath for actual disk path. (#3749) (11 hours ago) <Harshavardhana> - main/cli: Don't print hidden flags/commands in help template. (#3748) (13 hours ago) <Harshavardhana> - mainUpdate: refactor to handle quiet flag properly (#3744) (15 hours ago) <Bala FA> - mainVersion: Remove minio init and quiet handling (#3739) (3 days ago) <Bala FA> - objcache: Return io.ReaderAt to avoid Seeking and Reading. (#3735) (4 days ago) <Harshavardhana> - browser: Implement infinite scrolling for object listing. (#3720) (5 days ago) <Krishna Srinivas> - trie: new package (#3729) (5 days ago) <Bala FA> - config: setter/getter for Notifier and Logger into its own struct. (#3721) (6 days ago) <Harshavardhana> - update the blake2b implementation (#3724) (6 days ago) <Andreas Auernhammer> - Presigend Post: Error out when File is not found (#3723) (6 days ago) <Anis Elleuch> - web-handlers: Implement API to download files as a zip file. (#3715) (7 days ago) <Krishna Srinivas> - Make minio server compile on OpenBSD, NetBSD, Solaris (#3719) (7 days ago) <Krishnan Parthasarathi> - Honor envs properly for access and secret key. (#3703) (8 days ago) <Harshavardhana> - tests: Reduce two functions work to gain test time (#3712) (8 days ago) <Anis Elleuch> - auth/rpc: Make auth rpc client retry configurable. (#3695) (9 days ago) <Harshavardhana> - Let hijacker and flusher interfaces to be reflected. (#3709) (9 days ago) <Harshavardhana> - signv4: Read always returns EOF when stream ends (#3692) (9 days ago) <Anis Elleuch> - signature-v4: stringToSign and signingKey should use Scope's date. (#3688) (9 days ago) <Krishna Srinivas> - all/windows: Be case in-sensitive about pattern matching. (#3682) (12 days ago) <Harshavardhana> - server-mux: Simplify graceful shutdown behavior (#3681) (12 days ago) <Anis Elleuch> - Require content-length in POST & Upload requests (#3671) (13 days ago) <Anis Elleuch> - xl: Abort multipart upload should honor quorum properly. (#3670) (2 weeks ago) <Harshavardhana> - Fix unresponsiveness of `doneCh` due to Sleep call. (#3667) (2 weeks ago) <Karthic Rao> - xl/utils: getPartSizeFromIdx should return error. (#3669) (2 weeks ago) <Harshavardhana> - browser: Make logo and "Minio Browser" text non-clickable. (#3668) (2 weeks ago) <Krishna Srinivas> - Implement CopyObjectPart API (#3663) (2 weeks ago) <Harshavardhana> - xl/PutObject: Split object into parts (#3651) (2 weeks ago) <Anis Elleuch> - browser: Component attr names should not clash with redux state keys. (#3656) (2 weeks ago) <Krishna Srinivas> - xl: bit-rot algo was not set in get-object. (#3652) (2 weeks ago) <Krishna Srinivas> - Fail PutBucketPolicy if conditions are incompatible with actions. (#3659) (2 weeks ago) <Krishnan Parthasarathi> - Fix handling of StringNotEquals condition operator (#3660) (2 weeks ago) <Krishnan Parthasarathi> - heal: Should delete stale object parts before healing (#3649) (2 weeks ago) <Krishnan Parthasarathi> - fix: do port availability check only on macOS. (#3654) (2 weeks ago) <Bala FA> - Add aws:Referer condition key support. (#3641) (2 weeks ago) <Krishnan Parthasarathi> - xl: Fix GET of an empty multiparted object (#3646) (3 weeks ago) <Anis Elleuch> - Fix issue with webhook events not closing Response body, leaving connections open with remote server (#3645) (3 weeks ago) <Alex Ellis> - jwt: Cache the bcrypt password hash. (#3526) (3 weeks ago) <Harshavardhana> - fs: if `fs.json` is empty ignore it while reading metadata. (#3634) (3 weeks ago) <Harshavardhana> - fs: cleanup - do not cache size of metafiles (#3630) (3 weeks ago) <Krishna Srinivas>