*8085* patch OJS for SPF-compatibility. c.f. http://pkp.sfu.ca/bugzilla/attachment.cgi?id=4028
*8085* allow for a default email sender to be forced in configuration multidomain-install DMARC compatibility option
Merge pull request #180 from ulsdevteam/add-spf-enhancements

*8085* Add SPF (sender protection framework) enhancements