Add a file selection UI.

...p/lidar/amapvox/gui/viewer3d/Viewer3DPanelController.java

...oxGUI/src/main/resources/fxml/viewer3d/Viewer3DPanel.fxml

AMAPVox/AMAPVoxVisualization/nbactions.xml

AMAPVox/AMAPVoxVisualization/pom.xml

...va/fr/amap/lidar/amapvox/visualization/Visualization.java

...x/visualization/controllers/loadables/shaders/Shader.java

...pvox/visualization/controllers/voxels/VoxelSpaceFile.java

...va/fr/amap/lidar/amapvox/visualization/views/Panel3D.java

.../amapvox/visualization/views/PropertiesInternalFrame.java

...lidar/amapvox/visualization/views/VisualizationFrame.form

...lidar/amapvox/visualization/views/VisualizationFrame.java

...mapvox/visualization/views/jvoxelfilter/JVoxelFilter.java

...xVisualization/src/main/resources/icons/document-open.png

...lization/src/main/resources/icons/document-properties.png

.../fr/amap/commons/util/swing/jprogress/JProgressEvent.java

.../fr/amap/commons/util/swing/jprogress/JProgressFrame.form

.../fr/amap/commons/util/swing/jprogress/JProgressFrame.java

.../amap/commons/util/swing/jprogress/JProgressListener.java

...a/fr/amap/commons/util/swing/jprogress/JProgressable.java