Merge branch 'matissedekeiser' into 'master'

res/stages/data-view-stage.fxml

res/stages/main-stage.fxml

...ille/sae/classification/controller/AddDataController.java

...sae/classification/controller/AxesSettingsController.java

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

...nivlille/sae/classification/controller/DataViewStage.java

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

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