Add 308 and 426 to the HTTP response code map in the CLI server.

Implements FR #67429 (CLI server is missing some new HTTP response codes).
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Add 308 and 426 to the HTTP response code map in the CLI server.
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Add 308 and 426 to the HTTP response code map in the CLI server.