update most of the broken php urls

Unable to find good url replacements for:

http://downloads.php.net/stas/php-5.4.10RC1.tar.bz2
http://downloads.php.net/stas/php-5.4.1RC1.tar.bz2
http://downloads.php.net/stas/php-5.4.1RC2.tar.bz2
Merge pull request #207 from dwwoelfel/master

Updates most of the broken php urls