GGU-TIME-GRAPH: Contours menu

GGU-TIME-GRAPH: "Display" menu item

• GGU-TIME-GRAPH: Select date for contours visualisation
• GGU-TIME-GRAPH: Select type of contours
• GGU-TIME-GRAPH: "Display contours" button
• GGU-TIME-GRAPH: "Presentation format (contours)" button
• GGU-TIME-GRAPH: "Display gradients" button
• GGU-TIME-GRAPH: "Presentation format (gradients)" button
• GGU-TIME-GRAPH: "Coloured contours" button
• GGU-TIME-GRAPH: "3D contours" button
• GGU-TIME-GRAPH: "3D contours (array)" button