https://bitcointalk.org/index.php?topic=1545652.0
It was already introduced as concept in this thread.
I'm not entirely sure what is the status of this action but one thing is certain,
it is a good idea... One thing only bothers me, unofficial  group (signature managers) holding
power... soulless creature with more influence than it can handle, may end in disaster.
(I know, I'm paranoid)