Adds facilities for extracting Intl.message calls and generating code from translations

pkg/intl/example/basic/messages_de.dart

Index: pkg/intl/example/basic/messages_de.dart
diff --git a/pkg/intl/example/basic/messages_de.dart b/pkg/intl/example/basic/messages_de.dart
index 07e83319ceede0d082d5b8c8034f0bff8b56c23e..d18c98113972cc84dd97e6ed10c3441b512905fa 100644
--- a/pkg/intl/example/basic/messages_de.dart
+++ b/pkg/intl/example/basic/messages_de.dart
@@ -5,12 +5,20 @@
 /**
  * This is a library that provides messages for a German locale. All the
  * messages from the main program should be duplicated here with the same
- * function name. Note that the library name is significant, as it's looked
- * up based on a naming convention.
+ * function name.
  */
-
 library messages_de;
-import '../../lib/intl.dart';
+import 'package:intl/intl.dart';
+import 'package:intl/message_lookup_by_library.dart';
+
+final messages = new MessageLookup();
+
+class MessageLookup extends MessageLookupByLibrary {
+
+  get localeName => 'de';
+
+  final messages = {
+    "runAt" : (time, day) => Intl.message("Ausgedruckt am $time am $day.")
+  };
+}
 
-runAt(time, day) => Intl.message('Ausgedruckt am $time am $day.', name: 'runAt',
-    args: [time, day]);