Added gsutil to depot tools

third_party/gsutil/third_party/fancy_urllib/README

Index: third_party/gsutil/third_party/fancy_urllib/README
diff --git a/third_party/gsutil/third_party/fancy_urllib/README b/third_party/gsutil/third_party/fancy_urllib/README
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+The fancy_urllib library was obtained from
+http://googleappengine.googlecode.com/svn/trunk/python/lib/fancy_urllib/fancy_urllib/__init__.py
+under the following license (http://googleappengine.googlecode.com/svn/trunk/python/LICENSE):
+
+
+GOOGLE APP ENGINE SDK
+=====================
+Copyright 2008 Google Inc.
+All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.