make heldout_state_marginals work again
make heldout_state_marginals work again

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