Merge branch 'PHP-7.1' of git.php.net:/php-src into PHP-7.1

* 'PHP-7.1' of git.php.net:/php-src:
  add Appveyor fast_fail
  improve error check
  turn mcrypt back on for Appveyor runs
  add build status badge
  add scripts for AppVeyor integration
  Silence warning from unhandled enum
  fix leaking streams and memory mapped files
  turn mcrypt back on for Appveyor runs
  add build status badge
  add scripts for AppVeyor integration
  Silence warning from unhandled enum
  fix leaking streams and memory mapped files
  Fix stack management in ini scanner
  chance CLI codepage, only when SAPI is initialized