Major changes, including Brotli and Lizard

- update of zstd-mt library
- add brotli v0.6.0
- add lizard v2.0
- xxhash is from zstd for lz4, lz5 and lizard now
- update also the documentation, where needed

CPP/7zip/Bundles/Codec_lizard/makefile

@@ -0,0 +1,43 @@
+PROG = lizard.dll
+DEF_FILE = ../../Compress/Codec.def
+CFLAGS = $(CFLAGS) -DNEED_7ZIP_GUID
+
+7ZIP_COMMON_OBJS = \
+  $O\StreamUtils.obj \
+
+WIN_OBJS = \
+  $O\System.obj \
+
+COMPRESS_OBJS = \
+  $O\CodecExports.obj \
+  $O\DllExportsCompress.obj \
+
+C_OBJS = \
+  $O\Alloc.obj \
+  $O\Threads.obj \
+
+COMPRESS_OBJS = $(COMPRESS_OBJS) \
+  $O\LizardDecoder.obj \
+  $O\LizardEncoder.obj \
+  $O\LizardRegister.obj \
+
+LIZARD_OBJS = \
+  $O/liz_entropy_common.obj \
+  $O/liz_fse_compress.obj \
+  $O/liz_fse_decompress.obj \
+  $O/liz_huf_compress.obj \
+  $O/liz_huf_decompress.obj \
+  $O/liz_lz5_compress.obj \
+  $O/liz_lz5_decompress.obj \
+  $O/liz_lz5frame.obj \
+
+ZSTD_OBJS = \
+  $O\xxhash.obj \
+
+ZSTDMT_OBJS = \
+  $O\threading.obj \
+  $O\lizard-mt_common.obj \
+  $O\lizard-mt_compress.obj \
+  $O\lizard-mt_decompress.obj \
+
+!include "../../7zip.mak"