fixed some bugs with the the functional classification tools. Fixed python coding
fixed several bugs with metamodel
several modification in functionalclassification. Added sklearn case, reorganised classes
added init module of easyfitting
updated modeling tool: the computation of best distribution bases on easyfitting
added sensitivity module: currently only sensitivity is done
fixed graphtool
updated graphtool : changed behaviour of lowess
added rpyot folder which contains elements for computing kriging models using DiceKriging
removed useless files
added test files. Ongoing work
added controled stratification tool. Ongoing work