v1.5.7-kernel
fixed zlib test
updated .gitignore rule
Update BUCK files
streamline `make clean` list maintenance
Convert references to https from http
zlibWrapper: convert to C89 / ANSI C
Coalesce Almost All Copyright Notices to Standard Phrasing
reverted the addition of free at the gz_init()
Deprecate advanced streaming functions (#3408)
Move #includes out of `extern "C"` blocks