New bitcoin/namecoin calc and pool hashrates page

[ivc]

I've put together a new page with a few useful tools.

• Namecoin calc - See how much you can earn Namecoin mining
• Bitcoin calc - See how much mining Bitcoins may earn you by day, week, month
• Pool hashrates - See all the biggest >30GH/s pooling sites evolve over time and current global ownership

Page: http://beta.ivc.no/bitcoin/hashrates/

Let me know if there's anything you would like to see or miss.