Rename fletch -> dartino

tests/coroutine/throw_test.dart

 // Copyright (c) 2014, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
-import 'dart:fletch';
+import 'dart:dartino';
 
 import 'package:expect/expect.dart';
 
 main() {
   test(42);
   test(87);
   test(null);
   test("Yes!");
   test(test);
 }
@@ skipping 26 matching lines @@
     if (n == 0) throw exception;
     return (n % 4 == 0)
         ? new Coroutine((x) => throwInTheDeep(n - 1, x))(exception)
         : throwInTheDeep(n - 1, exception);
   }
 
   var co = new Coroutine((x) => throwInTheDeep(100, x));
   Expect.throws(() => co(exception), (x) => identical(x, exception));
   Expect.isTrue(co.isDone);
 }