new distributions file with metaprogramming
working intnegbin messages backwards, now to change it!
updated submodule stuff
working new multiplication
BROKEN BROKEN
size problem (setting M), FIXED
fixed up forward sampling
tweaked the demo a bit
added intnegbin example
updated pybasicbayes
Merge branch 'negative-binomial-stuff' of https://github.com/mattjj/pyhsmm into negative-binomial-stuff
updated util?