use v2 of mensa-api

panels/mensaPlan/script.js

@@ -86,7 +86,7 @@ this.loaded = function(panel, config) {
 	}, 30*60*1000);
 
 	function getMensaPlan() {
-		$.getJSON("https://mobil.itmc.tu-dortmund.de/canteen-menu/v1/canteens/341/"+calcDateAPI()).done(function(json) {
+		$.getJSON("https://mobil.itmc.tu-dortmund.de/canteen-menu/v2/canteens/341/"+calcDateAPI()).done(function(json) {
 			fillTable(json);
 		}).fail(function(jqxhr, textStatus, error) {
 			var err = textStatus + ", " + error;