RFC 6598 reserved ip range starts at 100.64.0.0
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  RFC 6598 reserved ip range starts at 100.64.0.0
Merge branch 'PHP-5.5'

* PHP-5.5:
  RFC 6598 reserved ip range starts at 100.64.0.0