New Figure 3 (Bayes)

Apart of the other changes, I have added (relative to opt.) to the y-axis of boxes c, d and e.

>> fig_pap_bayes_04(1,zeros(100))
expectedvalue_pot =
0.4885
sd_pot =
0.0662
expectedvalue_logalfa =
-1.1067
sd_logalfa =
0.0887
expectedvalue_logbeta =
-0.9375
sd_logbeta =
0.1261