Update 'requests' lib to v2.0.

third_party/requests/packages/urllib3/contrib/ntlmpool.py

 # urllib3/contrib/ntlmpool.py
 # Copyright 2008-2013 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
 #
 # This module is part of urllib3 and is released under
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
 """
 NTLM authenticating pool, contributed by erikcederstran
 
 Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10
@@ skipping 15 matching lines @@
 class NTLMConnectionPool(HTTPSConnectionPool):
     """
     Implements an NTLM authentication version of an urllib3 connection pool
     """
 
     scheme = 'https'
 
     def __init__(self, user, pw, authurl, *args, **kwargs):
         """
         authurl is a random URL on the server that is protected by NTLM.
-        user is the Windows user, probably in the DOMAIN\username format.
+        user is the Windows user, probably in the DOMAIN\\username format.
         pw is the password for the user.
         """
         super(NTLMConnectionPool, self).__init__(*args, **kwargs)
         self.authurl = authurl
         self.rawuser = user
         user_parts = user.split('\\', 1)
         self.domain = user_parts[0].upper()
         self.user = user_parts[1]
         self.pw = pw
 
@@ skipping 64 matching lines @@
 
     def urlopen(self, method, url, body=None, headers=None, retries=3,
                 redirect=True, assert_same_host=True):
         if headers is None:
             headers = {}
         headers['Connection'] = 'Keep-Alive'
         return super(NTLMConnectionPool, self).urlopen(method, url, body,
                                                        headers, retries,
                                                        redirect,
                                                        assert_same_host)