Implementation de la ponderation

Ne semble pas vraiment aider.
Refactored files into different packages
Fixed visibilities of attributes
Merged VinNormalise into Vin
Put "normalise" into Vin-class
Changed float to double whenever used.
Improved visibility handling
Improved formatting
We now use the automatic-ponderations method
We now use relative indications for nb_donnees_apprentissage,
perfectionnement and validation
Fixed donnesEtape
Extracted methods out of main-function
Removed Ponderations
Changed the calculation of "fauxResultats"
Prepared for the correction interactive
Version finale de correction interactive
Merge pull request #4 from Sukram21/ponderationAttributsTest

Merged ponderationAttributesTest into master