- spec file cleanups

- Add some more senders and mail tags which should not be answered
* Added patch from Roberto Piola to avoid
replying to emails that have been marked as spam by SpamAssassin
* Added patch from Jacek Kalinski that automatically creates a
vacation database for users who do not have one. Stops vacation
* Added documentation for the "-h" option to specify a domain
* Add the Auto-Submitted: header as per RFC3834 - patch from
* Applied patch from Dr. Tilmann Bubeck to stop Vacation from
munging the GECOS information of users and instead pass it
- removed bogus self-provides
default message file, but also the one specified on the
- doc relocation