Revert "* Increase the number of mails shown from 20 to 50 per page"

This reverts commit 074d9b65fb987b9d2cb27da52eccf8fa0e74f85b.
Revert "* Fix configuration for php.net"

This reverts commit e1dad11da254178cf862ec67aa64e922e4365267.
Revert "Rewrite of news.php.net:"

This reverts commit 354b0d0e354db82bf07c1696105ccacef261e4a4.