Misc

• adjust dversionmangle for dfsg suffix

• patches

  • ssl-cert-location

    Adjust description, we are not disabling SSL by default

  • default-mail_location

    Drop note about non existing chgrp-error.patch

  • fix-compiler-warnings

    Add forwarded header

  • exampldir

    Drop patch

    It is already inactive cause it changes Makefile.in files, which get overridden by autoreconf. Also /etc/dovecot/README is not installed anymore and the configuration examples are currently installed into /usr/share/dovecot and /usr/share/dovecot/conf.d