Automated update of nupic master sha to ff74c71ad612be67c989d1f0b4eb8c334b67d626.
Automated update of nupic master sha to ff74c71ad612be67c989d1f0b4eb8c334b67d626.

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