Added support for PHP-FPM sockets.

install/dist/conf/centos52.conf.php

install/dist/conf/centos53.conf.php

install/dist/conf/debian40.conf.php

install/dist/conf/debian60.conf.php

install/dist/conf/fedora9.conf.php

install/dist/conf/gentoo.conf.php

install/dist/conf/opensuse110.conf.php

install/dist/conf/opensuse112.conf.php

install/lib/installer_base.lib.php

install/lib/update.lib.php

install/sql/incremental/upd_0021.sql

install/sql/ispconfig3.sql

install/tpl/server.ini.master

interface/web/admin/form/server_config.tform.php

interface/web/admin/lib/lang/de_server_config.lng

interface/web/admin/lib/lang/en_server_config.lng

interface/web/admin/templates/server_config_web_edit.htm

interface/web/sites/form/web_domain.tform.php

interface/web/sites/lib/lang/de_web_domain.lng

interface/web/sites/lib/lang/en_web_domain.lng