[Dovecot] v1.1.rc11 released

http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc11.tar.gz http://dovecot.org/releases/1.1/rc/dovecot-1.1.rc11.tar.gz.sig

This is the final v1.1 RC. Tomorrow I'll change only the version number, update the documentation and call it v1.1.0. But please test this anyway to make sure I didn't happen to break anything since rc10 :)

- dovecot-uidlist is now recreated if it results in file shrinking
  over 25%.
- Some other minor fixes