fix clobbering commit 0ac1cda0e39c2
chat: invalid commands don't get cleared or sent
Nicer styling for now playing events.
Merge pull request #381 from andrewrk/feature/emphasize_now_playing_event

Give Now Playing events more prominent styling.
Revert "Nicer styling for now playing events."

This reverts commit a30d0e53af61516b65729c4e7a9db8f2d7194a47.

I don't like the style, reverting.
Convert a URL to a link, and implement HTML escaping on the string.