Respond to comments on r2769.
Respond to comments on r2769.

Patch by: Dan Bentley

--HG--
extra : convert_revision : svn%3A32761e7d-7263-4528-b7be-7235b26367ec/trunk%402913

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son