merge default into stable; feature freeze
cmake: merge InputFiles and OutputFiles projects into cli project (simplicity)
convert stdlib.h includes to <cstdlib> to avoid namespace conflicts
ipfilter: remove unused maxVal variable
cmake: rename x265 project to cli, force output name to x265. use libx265.a
Merge with stable
compress: remove unnecessary line (GCC warning)
cmake: merge fixup
cmake: generate libx265 unconditionally