Additional note about CC BY

References this: http://wiki.creativecommons.org/BIS_committee_UK_OA_Policy

Best to attribute to Creative Commons
but could attribute to Catherine M. Casserly (see the PDF?)

I would certainly quite like to cite this. It's an excellent authoritative piece that many haven't read.
Merge pull request #21 from rossmounce/patch-17

Additional note about CC BY