Merge remote-tracking branch 'ispc/stable-3.0.5' into stable-3.0.5

docs/autoinstall_samples/autoinstall.conf_sample.php

docs/autoinstall_samples/autoinstall.ini.sample

install/autoupdate.php

install/dist/lib/debian60.lib.php

install/dist/lib/fedora.lib.php

install/dist/lib/gentoo.lib.php

install/dist/lib/opensuse.lib.php

install/install.php

install/lib/install.lib.php

install/lib/installer_base.lib.php

install/sql/incremental/upd_0078.sql

install/sql/ispconfig3.sql

install/tpl/apache_ispconfig.conf.master

install/tpl/apps_php_fpm_pool.conf.master

install/tpl/config.inc.php.master

install/tpl/debian6_dovecot-sql.conf.master

install/tpl/debian_dovecot-sql.conf.master

install/tpl/debian_postfix.conf.master

install/tpl/fedora_dovecot-sql.conf.master

install/tpl/fedora_postfix.conf.master