Automated update of nupic master sha to e4b1a4d4fd7c1eb41a1aaca5dec2558dd1b0cdb2.
Automated update of nupic master sha to e4b1a4d4fd7c1eb41a1aaca5dec2558dd1b0cdb2.

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