Zstandard v1.1.0

New : pzstd , parallel version of zstd, by @terrelln

added : NetBSD install target (#338)
Improved : speed for batches of small files
Improved : speed of zlib wrapper, by @inikep
Changed : libzstd on Windows supports legacy formats, by @KrzysFR
Fixed : CLI -d output to stdout by default when input is stdin (#322)
Fixed : CLI correctly detects console on Mac OS-X
Fixed : CLI supports recursive mode -r on Mac OS-X
Fixed : Legacy decoders use unified error codes, reported by benrg (#341), fixed by @inikep
Fixed : compatibility with OpenBSD, reported by@juanfra684 (#319)
Fixed : compatibility with Hurd, by @inikep (#365)
Fixed : zstd-pgo, reported by @octoploid (#329)