Ajout de javadoc pour toutes les classes

...le/sae/classification/controller/DataStageController.java

...lle/sae/classification/controller/LoadDataController.java

...le/sae/classification/controller/MainStageController.java

...ivlille/sae/classification/model/ClassificationModel.java

...main/java/fr/univlille/sae/classification/model/Iris.java

...a/fr/univlille/sae/classification/model/LoadableData.java

...a/fr/univlille/sae/classification/model/PointFactory.java

...ava/fr/univlille/sae/classification/utils/Observable.java

.../java/fr/univlille/sae/classification/utils/ViewUtil.java

...ava/fr/univlille/sae/classification/view/AddDataView.java

...r/univlille/sae/classification/view/AxesSettingsView.java

...a/fr/univlille/sae/classification/view/DataStageView.java

...vlille/sae/classification/view/DataVisualizationView.java

...va/fr/univlille/sae/classification/view/LoadDataView.java

...a/fr/univlille/sae/classification/view/MainStageView.java