add IPTM model
organize code
add Readme
Merge branch 'master' of https://github.com/tpospisi/rollcall
fix bugs when convert to IPTM format
specify the version of python
fix bugs
add hyper prior (uniform distribution) to beta parameter
change Rakeutil read and use beta value from file
Merge branch 'master' of https://github.com/tpospisi/rollcall

Conflicts:
	code/irm/gibbs.jl
	code/irm/map-predict.jl
	code/irm/post-predict.jl
	code/irm/posterior.jl