Proposed stake fix

This update will require all users to update to the new client version
before January 1st 2014 at 00:00:00 GMT after which:

Older client versions will no longer be able to initiate a connection to
this version.

This version will no longer accept blocks from any older versions that
remain connected in the interim.

Seven days after older versions are disconnected (8th January 2014 at
00:00:00 GMT) the new stake percentage will take effect. This will be a
massive reduction to prevent further over inflation from this point
forward.
Merge pull request #1 from Petr1fied/master

v0.10.0.0 - Stake fix