TensorFlow Federated 0.10.0

Release 0.10.0

Major Features and Improvements

• Add a federated_sample aggregation that is used to collect a sample of
  client values on the server using reservoir sampling.
• Updated to use tensorflow 2.0.0 and tensorflow-addons 0.6.0 instead
  of the coorisponding nightly package in the setup.py for releasing TFF
  Python packages.
• Updated to use tensorflow-privacy 0.2.0.
• Added support for attr.s classes type annotations.
• Updated streaming Execute method on tff.framework.ExecutorService to be
  asynchronous.
• PY2 and PY3 compatability.