Log Message:
Updated py-google-api-python-client to 1.5.5.

Allow python-3.x.

v1.5.5
  Version 1.5.5

  Bugfix release

  - Allow explicit MIME type specification with media_mime_type keyword argument.
  - Fix unprintable representation of BatchError with default constructor. (#165)
  - Refresh all discovery docs, not just the preferred ones. (#298)
  - Update minimum httplib2 dependency to >=0.9.2.