Zstandard v1.1.1

New : cli commands -M#, --memory=, --memlimit=, --memlimit-decompress= to limit allowed memory consumption during decompression
New : doc/zstd_manual.html, by @inikep
Improved : slightly better compression ratio at --ultra levels (>= 20)
Improved : better memory usage when using streaming compression API, thanks to @Rogier-5 report
Added : API : ZSTD_initCStream_usingCDict(), ZSTD_initDStream_usingDDict() (experimental section)
Added : examples/multiple_streaming_compression.c
Changed : zstd_errors.h is now installed within /include (and replaces errors_public.h)
Updated man page
Fixed : several sanitizer warnings, by @terrelln
Fixed : zstd-small, zstd-compress and zstd-decompress compilation targets