PercentileGridSampler class now respects Sampler's Active Parameters.
PercentileGridSampler class now respects Sampler's Active Parameters.

> branch Issue403_PercentileGridSamplerRespectActiveParameters
> https://git.cs.unc.edu/redmine/MADAI/issues/403

chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling,chunshen1987/DistributionSampling