Replacing most likely exposed instanced of magfest e-mails

Replacing most likely exposed instanced of magfest e-mails
Merge pull request #752 from magfest/Replace-@magfest.org-emails-w/-CONTACT-URL

Replacing most likely exposed instanced of magfest e-mails
fix for quoting error
Merge pull request #56 from magfest/ac-staging

Some more magfest url removals.