Merge branch 'proc_group' of https://github.com/sitsofe/fio

* 'proc_group' of https://github.com/sitsofe/fio:
  doc: add cpus_allowed reference to log_compression_cpus
  appveyor: make 32 bit build target XP + minor fixes
  configure/Makefile: make Cygwin force less
  doc: add Windows processor group behaviour and Windows target option
  windows: target Windows 7 and add support for more than 64 CPUs
  windows: prepare for Windows build split
  windows: update EULA

diff --cc Makefile
Simple merge

diff --cc configure
Simple merge

diff --cc server.c
Simple merge