tiny fix after merge
Updates to MCMC stochastic CL sampler (not yet complete)
MCMC stochastic CL sample_z_ab_from_edge done. (cleanup + more kernels next)
cleanup: sample_latent_vars_stub() to contain all OpenCL boilerplate
MCMC stochstic CL: update_pi_for_node
temporary commit before merge
Merge branch 'python-compatible-mcmc' into merge-with-python-compat-mcmc

Conflicts:
	c++/include/mcmc/learning/mcmc_sampler_stochastic.h
	c++/include/mcmc/random.h
Fix MCMC stochastic CL sample_latent_vars()
Fix MCMC stochastic CL update_pi_for_node
Merge branch 'merge-with-python-compat-mcmc' into python-compatible-mcmc