cleanup, switch to messages forwards normalized (no performance change in simple tests)
cleanup, switch to messages forwards normalized
(no performance change in simple tests)

wgmueller1/pyhsmm,wgmueller1/pyhsmm,wgmueller1/pyhsmm,fivejjs/pyhsmm,theDataGeek/pyhsmm,mattjj/pyhsmm,wgmueller1/pyhsmm,fivejjs/pyhsmm,fivejjs/pyhsmm,fivejjs/pyhsmm,theDataGeek/pyhsmm,wgmueller1/pyhsmm,mattjj/pyhsmm,theDataGeek/pyhsmm,theDataGeek/pyhsmm,theDataGeek/pyhsmm,fivejjs/pyhsmm