Merge pull request #56 from ZonD80/master

i18n support
dox2unix fix after merge
fix after merge
fix after merge
i18n user page
utf-8 support
i18n user page
imprvoved validator
i18n integration
idn support for awstats
i18n user/web/dns/mail
i18n db
i18n user db
wildcard support in new domain verification
i18n support
i18n backend support
Automatic language detection

Added automatic language detection based on HTTP_ACCEPT_LANGUAGE
header. New function _translate, that translates string to required
language.
New file: setlang.php?l=language_code - sets session language.