fixes #221, initial sync*, async, async* implementation

test/codegen/expect/sunflower/painter.js

Index: test/codegen/expect/sunflower/painter.js
diff --git a/test/codegen/expect/sunflower/painter.js b/test/codegen/expect/sunflower/painter.js
index 9756c6ff2c7a76ec4ff8fad06d73e768c8363c6a..1afa9ccf5c722e30c212b375a1edffe1b5ab40bc 100644
--- a/test/codegen/expect/sunflower/painter.js
+++ b/test/codegen/expect/sunflower/painter.js
@@ -1,9 +1,9 @@
-dart_library.library('painter', null, /* Imports */[
+dart_library.library('sunflower/painter', null, /* Imports */[
   "dart_runtime/dart",
   'dart/math',
-  'dom',
+  'sunflower/dom',
   'dart/core',
-  'circle'
+  'sunflower/circle'
 ], /* Lazy imports */[
 ], function(exports, dart, math, dom, core, circle) {
   'use strict';