This reverts commit 86773579.

Add a registration form.

See merge request !76

Feature/slicker buttons

See merge request !90

Add a config.json option for enabling registration, don't link and redirect away from register page when it's disabled.

Feature/completion

See merge request !66

Clicking autocomplete will return focus to text area, make the autocomplete box disappear after clicking on a name.

Reply previews in conversations

See merge request !89