Bugfix in der neuen Version von osrm-text-instructions

resources/assets/js/Step.js

 function Step(stepJson, nextStreet, legIndex, legSize){
 	this.json = stepJson;
 	this.nextStreet = nextStreet;
-    var language = osrmTextInstructions.getBestMatchingLanguage('de-DE');
-    this.instruction = osrmTextInstructions.compile(language, stepJson, {"legCount": legSize, "legIndex": legIndex});
+    this.instruction = osrmTextInstructions.compile('de', stepJson, {"legCount": legSize, "legIndex": legIndex});
 }