Link system zlib-ng if available. #574
Generated files unzip.h and zip.h shall be in build directory. #587
Fixed improper null termination in mz_os_get_file_date. #601
Fixed various issues related to setting external ZLIB repository. #603
Fixed buffer overrun in mz_path_combine. #609
Fixed issues related to building for PSP. #610
Fixed improper null termination in mz_zip_writer_open_file. #611
Fixed buffer overrun in mz_dir_make. #611
Default to -ng project suffix when MZ_COMPAT is not enabled.
Change minizip cmake alias name to be consistent.
Added SHA224, SHA384, SHA512 to crypt.