Closes GH-745.

This is done after some complaints I saw on Twitter about the lack of IPv6 support on Mastodon instances.
Also, seeing this may encourage instances owner to add IPv6 support to their own.

Updated out-of-date info for gay.crime.team

The project was renamed 11t, the link goes to a project titled "11t" this is just an update

"Various apps are available" is now a hyperlink

Redirect /:username to /users/:username
Redirect /:username/:id to /users/:username/updates/:id
Updated API documentation and sponsors

Hello fediverse!

The host uses postActiv now.

New instance

make status pagination headers generation more lax about next page
existing

Heroku uses the referrer URL to point at the repo that should be deployed; from this page that includes part of a path that breaks the deployment (specifically /blob/master/docs/Running-Mastodon/Heroku-guide.md).

I've replaced the vanilla address with one that includes a specific reference to the root of the repo

It's uh, it's an instance now.

toot.zone is being discontinued

I'm never going to get tired of saying "gnusocial.me is a mastodon instance"

There were some markdown processing errors which I've cleaned up

Change list of known instances to a table with additional information per instance. Add awoo.space and gay.crime.team

work flawlessly was a nightmare). WARNING: This commit makes the web UI connect to the streaming API instead
of ActionCable like before. This means that if you are upgrading, you should set that up beforehand.