dovecot-2.0: Merge heads

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/d2b09976c704
changeset: 11785:d2b09976c704
user:      Timo Sirainen <tss at iki.fi>
date:      Sun Jul 11 13:25:38 2010 +0100
description:
Merge heads