Update hello_tm.py
Update hello_tm.py

Line 68: Lowered `minThreshold` value to `8` so its value is not higher than `activationThreshold` (also `8`).
alfonsokim/nupic,vitaly-krugl/nupic,marionleborgne/nupic,rhyolight/nupic,arhik/nupic,ywcui1990/nupic,rhyolight/nupic,EricSB/nupic,ywcui1990/nupic,subutai/nupic,badlogicmanpreet/nupic,EricSB/nupic,neuroidss/nupic,numenta/nupic,vitaly-krugl/nupic,numenta/nupic,lscheinkman/nupic,vitaly-krugl/nupic,neuroidss/nupic,marionleborgne/nupic,scottpurdy/nupic,alfonsokim/nupic,pulinagrawal/nupic,scottpurdy/nupic,pulinagrawal/nupic,neuroidss/nupic,arhik/nupic,rcrowder/nupic,subutai/nupic,marionleborgne/nupic,numenta/nupic,arhik/nupic,rhyolight/nupic,ywcui1990/nupic,badlogicmanpreet/nupic,subutai/nupic,rcrowder/nupic,alfonsokim/nupic,lscheinkman/nupic,scottpurdy/nupic,EricSB/nupic,pulinagrawal/nupic,lscheinkman/nupic,badlogicmanpreet/nupic,rcrowder/nupic