#### Implementation changes

 * Support Android `TrafficStats` socket tagging.
 * Drop authentication headers on redirect.
 * Added support for compressed data frames.
 * Process push promise callbacks in order.
 * Update to http/2 draft 12.
 * Update to HPACK draft 07.
 * Add ALPN support. Maven will use ALPN on OpenJDK 8.

//			log.Fatal(err)
//		}
//		if err := w.Close(); err != nil {
//			log.Fatal(err)
//		}
//		return buf.Bytes()
//	}
//
// The 4 GB of zeros compresses to 4 MB, which compresses to 20 kB,
// which compresses to 1252 bytes (in the hex dump below).
//
// It's here in hex for the same reason as rZipBytes above: to avoid
// problems with on-disk virus scanners or other zip processors.

	// Read compression metadata preserved in the init multipart for the decision.
	_, isCompressed := mi.UserDefined[ReservedMetadataPrefix+"compression"]
	// Compress only if the compression is enabled during initial multipart.
	var idxCb func() []byte
	if isCompressed {
		wantEncryption := crypto.Requested(r.Header) || isEncrypted
		s2c, cb := newS2CompressReader(reader, actualPartSize, wantEncryption)

		Value:  10 * humanize.MiByte,
		EnvVar: "MINIO_LOG_SIZE",
		Hidden: true,
	},
	cli.BoolFlag{
		Name:   "log-compress",
		Usage:  "specify if we want the rotated logs to be gzip compressed or not",
		EnvVar: "MINIO_LOG_COMPRESS",
		Hidden: true,
	},
	cli.StringFlag{
		Name:   "log-prefix",
		Usage:  "specify the log prefix name for the server log",

   */
  public static final MediaType KML = createConstant(APPLICATION_TYPE, "vnd.google-earth.kml+xml");

  /**
   * <a href="http://www.opengeospatial.org/standards/kml/">OGC KML (Keyhole Markup Language)</a>,
   * compressed using the ZIP format into KMZ archives.
   */
  public static final MediaType KMZ = createConstant(APPLICATION_TYPE, "vnd.google-earth.kmz");

  /**

application/x-ibooks+zip=ibooks\n\
text/plain=txt\n\
application/rtf=rtf\n\
application/vnd.ms-htmlhelp=chm\n\
application/zip=zip\n\
application/x-7z-comressed=7z\n\
application/x-bzip=bz\n\
application/x-bzip2=bz2\n\
application/x-tar=tar\n\
application/x-rar-compressed=rar\n\
video/3gp=3gp\n\
video/3g2=3g2\n\
video/x-msvideo=avi\n\
video/x-flv=flv\n\
video/mpeg=mpeg\n\
video/mp4=mp4\n\
video/ogv=ogv\n\

	cfg := Config{}
	if err = config.CheckValidKeys(config.CompressionSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}

	compress := env.Get(EnvCompressState, kvs.Get(config.Enable))
	if compress == "" {
		compress = env.Get(EnvCompress, "")
	}
	cfg.Enabled, err = config.ParseBool(compress)
	if err != nil {
		// Parsing failures happen due to empty KVS, ignore it.
		if kvs.Empty() {
			return cfg, nil
		}

	// clean up the temporary test backend.
	removeRoots(append(erasureDisks, fsDir))
}

// ExecExtendedObjectLayerTest will execute the tests with combinations of encrypted & compressed.
// This can be used to test functionality when reading and writing data.
func ExecExtendedObjectLayerAPITest(t *testing.T, objAPITest objAPITestType, endpoints []string) {

func RegisterCompressor(method uint16, comp Compressor) {
	if _, dup := compressors.LoadOrStore(method, comp); dup {
		panic("compressor already registered")
	}
}

func compressor(method uint16) Compressor {
	ci, ok := compressors.Load(method)
	if !ok {
		return nil
	}
	return ci.(Compressor)
}

func decompressor(method uint16) Decompressor {

     * application/rtf=rtf<br>
     * application/vnd.ms-htmlhelp=chm<br>
     * application/zip=zip<br>
     * application/x-7z-comressed=7z<br>
     * application/x-bzip=bz<br>
     * application/x-bzip2=bz2<br>
     * application/x-tar=tar<br>
     * application/x-rar-compressed=rar<br>
     * video/3gp=3gp<br>
     * video/3g2=3g2<br>
     * video/x-msvideo=avi<br>
     * video/x-flv=flv<br>