Switch from CoffeeScript to Dart with convert engine

app/scripts/MorseConverter.dart

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+/**
+ * 2016 (c) Marcel Kapfer (mmk2410)
+ * Licensed under MIT License
+ */
+
+/**
+ * JS interopt file for making the Dart methods accessible in JavaScript.
+ */
+
+import 'dart:js' as js;
+
+import 'Convert.dart';
+import 'CodeRecognization.dart';
+
+void main() {
+  js.context['isMorseCode'] = (message) {
+    return CodeRecognization.isMorseCode(message);
+  };
+
+  js.context['isWrittenMorseCode'] = (message) {
+    return CodeRecognization.isWrittenMorseCode(message);
+  };
+
+  js.context['getWrittenMorseEncoded'] = (message) {
+    return Convert.getWrittenMorseEncoded(message);
+  };
+
+  js.context['getWrittenMorseDecoded'] = (message) {
+    return Convert.getWrittenMorseDecoded(message);
+  };
+
+  js.context['getMorseEncoded'] = (message) {
+    return Convert.getMorseEncoded(message);
+  };
+
+  js.context['getMorseDecoded'] = (message) {
+    return Convert.getMorseDecoded(message);
+  };
+}