Release 0.6.0

Major Features

• tensorflow_io.avro: Apache Avro Dataset.
• tensorflow_io.audio: WAV file Dataset.
• tensorflow_io.grpc: gRPC server Dataset, support for streaming Numpy input.
• tensorflow_io.hdf5: HDF5 file Dataset.
• tensorflow_io.text: Text file Dataset and TextSequence output.
• Improved batching support for many Datasets, see #191.

Thanks to our Contributors

This release contains contributions from many people:

Yong Tang, Yuan (Terry) Tang, Bryan Cutler, Jiacheng Xu, Junqin Zhang,
August Xiong, caszkgui, zou000