charset corrections

install/dist/conf/centos52.conf.php

install/dist/conf/debian40.conf.php

install/dist/conf/fedora9.conf.php

install/dist/conf/opensuse110.conf.php

install/install.php

install/lib/installer_base.lib.php

install/lib/mysql.lib.php

install/options.conf.php

install/sql/ispconfig3.sql

install/tpl/config.inc.php.master

install/tpl/server.ini.master

install/uninstall.php

install/update.php

interface/lib/app.inc.php

interface/lib/classes/db_mysql.inc.php

interface/lib/config.inc.php

interface/lib/db_local.php.skel

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

interface/web/dns/templates/dns_soa_edit.htm

interface/web/mail/form/spamfilter_config.tform.php