Update oauth2client to v2.0.1 and googleapiclient to v1.5.0.

client/third_party/oauth2client/util.py

Index: client/third_party/oauth2client/util.py
diff --git a/client/third_party/oauth2client/util.py b/client/third_party/oauth2client/util.py
index 1150e2b62ea70ddc683b6381af7fb3311def8f23..a7e9cab8e27651bed583cd641b49591b5e1cf61b 100644
--- a/client/third_party/oauth2client/util.py
+++ b/client/third_party/oauth2client/util.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-#
 # Copyright 2014 Google Inc. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,7 +11,6 @@
 # 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.
-#
 
 """Common utility library."""
 
@@ -186,21 +183,6 @@ def string_to_scopes(scopes):
         return scopes
 
 
-def dict_to_tuple_key(dictionary):
-    """Converts a dictionary to a tuple that can be used as an immutable key.
-
-    The resulting key is always sorted so that logically equivalent
-    dictionaries always produce an identical tuple for a key.
-
-    Args:
-        dictionary: the dictionary to use as the key.
-
-    Returns:
-        A tuple representing the dictionary in it's naturally sorted ordering.
-    """
-    return tuple(sorted(dictionary.items()))
-
-
 def _add_query_parameter(url, name, value):
     """Adds a query parameter to a url.