[Dovecot] v1.1.15 released

[Timo Sirainen]

http://dovecot.org/releases/1.1/dovecot-1.1.15.tar.gz
http://dovecot.org/releases/1.1/dovecot-1.1.15.tar.gz.sig

The command pipelining fix is pretty interesting. Wonder how much it
improves performance, especially when deleting lots of messages from a
large mailbox.

v1.1.15 2009-05-17  Timo Sirainen <tss at iki.fi>

	+ IMAP: When multiple commands are pipelined, try harder to combine
	  their mailbox syncing together. For example with Maildir pipelining
	  STORE 1:* +FLAGS \Deleted and EXPUNGE commands the files won't
	  be unnecessarily rename()d before being unlink()ed.
	- IMAP: SEARCH command was slower than necessary in a large mailbox.
	- deliver: When forwarding messages, if -f parameter was given, it
	  should have been used as the Return-Path.
	- Maildir saving: Fixed race condition bugs in uidlist handling,
	  causing files to be given new UIDs sometimes.
	- mbox: Don't crash when expunging all messages and file doesn't end
	  with [CR]LF.
	- expire-tool: Use mail_uid and mail_gid settings if userdb doesn't
	  return uid/gid.
	- Berkeley DB dict: Transaction rollbacking was implemented wrong.
	- zlib plugin: Some email / FETCH command combinations could have
	  disconnected the client or sent compressed garbage.

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