Not always online capsules

[Felix Queißner]

> That sounds like an awesome idea! Although IIRC the definition of a
> server includes a system that is accessible 24/7 but your point makes
> sense.

That's actually a cool idea. Have a DNS TXT record that looks like

	OFFLINE: This site is currently offline. Please try again later.

We could then show this instead of having just a "service unreachable" 
fault or something.

- xq