* Renamed files to be consistent with 'sciencebeam' repo

* Update Dockerfile and README after filename change

* Update version of tensorflow-transform to 0.6

* Pin versions of oauth2client and httplib2 to prevent errors with google-cloud. Update apache_beam to 2.4 as used by new version of tensorflow-transform

* upgrade Apache Beam version

* do not inherit MockFileSystem from LocalFileSystem

* upgraded dependencies

* added pylint to dependencies

* addressed np.fromstring warning