[Dovecot] v2.2.rc3 released

[Timo Sirainen]

http://dovecot.org/releases/2.2/rc/dovecot-2.2.rc3.tar.gz
http://dovecot.org/releases/2.2/rc/dovecot-2.2.rc3.tar.gz.sig

As mentioned in http://dovecot.org/list/dovecot/2013-March/089044.html
there are some new rather large features. Also various mostly rather
small bugfixes.

	+ dsync: Support syncing ACLs (and Sieve scripts with Pigeonhole)
	+ ldap: Support subqueries and value pointers, see
	  http://wiki2.dovecot.org/AuthDatabase/LDAP/Userdb
	+ postmaster_address setting: Expand %d to recipient's domain
	- Fixed a crash when decoding quoted-printable content.
	- dsync: Various bugfixes