Merge pull request #512 from carragom/master

Fix cleanlogs command.
Catch the proper exception and force the schem to upper case.

fix #514
Truncate too long policy names.

see #513
Support for high precision timers added.

fixes #516
Special case for rejected messages.

see #516
Merge pull request #515 from carragom/1.1.x

Look in more places for the dovecot binary
Merge branch '1.1.x' of github.com:tonioo/modoboa into 1.1.x
Wrong regexp fixed.

see #516
Try to find the dovecot binary in more places.

see #510
Wrong variable name.

see #516
Don't hardcode mailbox delimiter!

fix #518
Don't forget to give the URL...

fix #520
Update imap_and_smtp.rst

Insert the trigger in the proper database.
Merge pull request #521 from tonioo/1.1.x

Update imap_and_smtp.rst
Documentation update.

fix #519
Merge branch '1.1.x' of github.com:tonioo/modoboa into 1.1.x
Merge pull request #524 from tonioo/1.1.x

1.1.x
Documentation update.

Version 1.1.1.
Merge branch 'master' of github.com:tonioo/modoboa
Record current user instead of an old one.

fix #526