Merged revisions 3803-3844 from stable branch.

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/dist/lib/centos52.lib.php

install/dist/lib/centos53.lib.php

install/dist/lib/fedora.lib.php

install/dist/lib/gentoo.lib.php

install/dist/lib/opensuse.lib.php

install/lib/installer_base.lib.php

install/lib/update.lib.php

install/sql/incremental/upd_0048.sql

install/sql/ispconfig3.sql

install/tpl/apache_apps_fcgi_starter.master

install/tpl/apache_ispconfig_fcgi_starter.master

interface/lib/classes/aps_crawler.inc.php