Dead? What happened to this thing, all links on CMC not working.

So the token isn't yet tradeable?

Is it too late to claim for those who participated?? Does it require MAIDSafe installation?

Does not required MAIDSafe installation.
Did you check your BTC wallet - Omni
You can ask Harmen or go over the thread
https://safenetforum.org/t/project-decorum-crowdsale/8474/485