new: NoiseModel terms (no definition)
add: NoiseModel entity (used by ParameterModelEstimation)
Add: estimation methods
add: Gaussian, Poisson and Binomial distributions sameAs STATO terms
Generalised -> Generalized
Regularised -> Regularized
new term: ExchangeableNoise
Merge pull request #176 from cmaumet/noiseModelAndEstimationMethod

Can do... @cmaumet, can you start the discussion issue?