I just made two small change to wiki.gnucash.org:
1) when you go to wiki.gnucash.org it will automatically redirect you to
the wiki landing page instead of the Apache landing page with the
GnuCash links. This should help users, and means we don't need to
tell people to go to wiki.gnucash.org/wiki/
2) wiki.gnucash.org will redirect everyone to the HTTPS URL, so all
connections to the wiki will now be protected by TLS.