move tip to utils so it can be picked up in the SDK

frog/tip/manifest.json

Index: frog/tip/manifest.json
diff --git a/frog/tip/manifest.json b/frog/tip/manifest.json
deleted file mode 100644
index d8aff8623d0e9acfd83fd5160581d8810f28ff8e..0000000000000000000000000000000000000000
--- a/frog/tip/manifest.json
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright (c) 2011, the Dart 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 file. */
-
-{
-  "name": "Dart Tip",
-  "version": "0.2",
-  "description": "The sharp pointy bit of a dart.",
-
-  "icons": { "16" : "dart16.png",
-             "48" : "dart48.png",
-             "128": "dart128.png" },
-
-  // TODO(jimhug): Use background page effectively...
-  "background_page" : "background.html",
-
-  "app": { "launch": { "local_path": "tip.html" } },
-
-  "permissions": [ "unlimitedStorage", "<all_urls>" ]
-}