Bugs in tutorial

[tmotl2]

run03_modifyParameters.m: lines 61-101 are supposed to showcase use of assign= option when reading the model, but the option is missing on line 96.
run13_estimateParams.m: line 151 and on, posterior modes not shown in chart as per the comments, the chart title says "Maximized Poster: NaN"

[juliusdanko]

workWithSimulatedPosteriorChain.m: line 81 prctile function uses percent values instead of decimal, to get proper output, it's ok to multiply the input percentiles vector by 100.