[Dovecot] 1.0.rc19 released

http://dovecot.org/releases/dovecot-1.0.rc19.tar.gz http://dovecot.org/releases/dovecot-1.0.rc19.tar.gz.sig

Just did a few more fixes to index files. Do they help with anyone's problems?

- ACL plugin didn't work unless control dir was separate from maildir
- More index file handling fixes