Fig updates, hierarchihcal model to section 7.6

analysis_and_scripts/notes.tex

figures/sl_diagnostic_bad_decider_with_Z.png

figures/sl_diagnostic_bernoulli_batch_with_Z.png

figures/sl_diagnostic_bernoulli_independent_with_Z.png

figures/sl_diagnostic_bernoulli_independent_without_Z.png

figures/sl_diagnostic_biased_decider_with_Z.png

figures/sl_diagnostic_random_decider_with_Z.png

figures/sl_diagnostic_threshold_batch_with_Z.png

figures/sl_diagnostic_threshold_independent_with_Z.png

figures/sl_posterior_betax.png

figures/sl_posterior_betaz.png