[tests][Pollution] fixed the main script and added reference data.

BayesValidRox/tests/PollutionTest/MeasuredData.npy

BayesValidRox/tests/PollutionTest/Pollution.py

BayesValidRox/tests/PollutionTest/Pollution_Test.py

BayesValidRox/tests/PollutionTest/data/MeasuredData.npy

BayesValidRox/tests/PollutionTest/data/ParamSets.npy

BayesValidRox/tests/PollutionTest/data/mean.npy

BayesValidRox/tests/PollutionTest/data/refBME_KLD.npy

BayesValidRox/tests/PollutionTest/data/std.npy

BayesValidRox/tests/PollutionTest/data/validLikelihoods.npy

BayesValidRox/tests/PollutionTest/data/validSet.npy

BayesValidRox/tests/PollutionTest/data/validSetOutput.npy