[Dovecot] v1.1.alpha3 released

http://dovecot.org/releases/1.1/alpha/dovecot-1.1.alpha3.tar.gz http://dovecot.org/releases/1.1/alpha/dovecot-1.1.alpha3.tar.gz.sig

All kinds of fixes and API changes. Previous alphas had some problems with index handling, now I didn't get any errors after almost 24h of stress testing.

As a new feature userdb passwd now supports overriding some fields with templates. http://wiki.dovecot.org/AuthDatabase/Passwd