Hashing at almost 300TH now

We have a bunch of blocks warming in the oven.  As we grow we have to add bitcoind servers about every 50TH, so the first day of a large growth can sometimes not produce many new blocks.  Plus there's variance as always.

Jared is bringing up something like 6 or 8 bitcoind's to handle growth, so hopefully we don't bump up against this problem.