add new example about justifiability-analysis.

BayesValidRox/BayesInference/BayesInference.py

BayesValidRox/BayesInference/MCMC.py

BayesValidRox/PostProcessing/PostProcessing.py

BayesValidRox/surrogate_models/ExpDesigns.py

BayesValidRox/surrogate_models/surrogate_models.py

examples/model-comparison/L2_model.py

examples/model-comparison/NL4_model.py

examples/model-comparison/Test_model_comparison.py

examples/model-comparison/__init__.py

examples/model-comparison/data/synth_data.mat

src/bayesvalidrox/bayes_inference/bayes_model_comparison.py