NUP-2495: Update clang-format instructions
NUP-2495: Update clang-format instructions

subutai/nupic.core,neuroidss/nupic.core,rhyolight/nupic.core,subutai/nupic.core,numenta/nupic.core,numenta/nupic.core,subutai/nupic.core,subutai/nupic.core,rhyolight/nupic.core,breznak/nupic.core,neuroidss/nupic.core,rcrowder/nupic.core,breznak/nupic.core,neuroidss/nupic.core,rhyolight/nupic.core,numenta/nupic.core,rcrowder/nupic.core,breznak/nupic.core,rhyolight/nupic.core,numenta/nupic.core,rcrowder/nupic.core,neuroidss/nupic.core,rcrowder/nupic.core,breznak/nupic.core