Automated update of nupic master sha to ac524ac384766c78786d046f50abf1907b5dd497.
Automated update of nupic master sha to ac524ac384766c78786d046f50abf1907b5dd497.

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