HTTPS with Let's Encrypt

[Seth]

We've deployed HTTPS with a certificate from Let's Encrypt for the forums. The IP addresses for forums.rollernet.us were also changed and may take up to 24 hours to clear from caches if you've visited recently. The old addresses do not have an HTTP->HTTPS redirect in place, only the new ones do.

[Seth]

HTTPS redirects for the main website are now in place.