upgraded zlib to 1.2.5
tree4c617acd6bccfae0e5c67b953e62cb830fe1d9ed
-rw-r--r-- 596 .gitignore
-rw-r--r-- 559 .gitmodules
drwxr-xr-x - Languages
-rw-r--r-- 3425 build.txt
drwxr-xr-x - common
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rw-r--r-- 145 release.txt
drwxr-xr-x - src
drwxr-xr-x - test