Update urllib/httplib/cStringIO to use six.moves

partial blueprint heat-python34-support

Change-Id: I00a7064560a95a33dcb1e621961765822d4e94d4
4 files changed
tree: f7225407fbf1acce5a27487fe4d423980591c7c8
  1. common/
  2. functional/
  3. scenario/