v1.4.4
simplified Makefile
updated .gitignore rule
Update BUCK files
fixed zlibwrapper build script
Spelling (#1582)
enforce C90 compatibility for zlibWrapper
updated license header
Include unistd.h on unix platforms for explicit function declaration
updated tests for zlibwrapper C90 strict compatibility
fix zlibWrapper for Visual Studio
Fix ZSTD_f_zstd1_magicless for small data