Automated update of nupic master sha to 1a4b4f6371f7d5a30ca25eec7de936d7baa6c704.
Automated update of nupic master sha to 1a4b4f6371f7d5a30ca25eec7de936d7baa6c704.

numenta/nupic.regression,numenta/nupic.regression,scottpurdy/nupic.regression,scottpurdy/nupic.regression