Hipchat: Started work to make Hipchat more accessible

[ctoth]

Exposes user status and mention counts Makes navigation easier by adding headings to page sections Turns message history into a live region Adds headings for date blocks and list items for individual messages for faster navigation

[jcsteh]

Eek. Sorry I missed this, @ctoth. It was around the time I was transitioning to Mozilla and it got lost in the chaos.

Do you still use this and does it still work as intended?