compatible).

## Bug Fixes and Other Changes

*   Documentation
    *   Update the doc with the details about the rounding mode used in
        quantize_and_dequantize_v2.
    *   Clarify that tensorflow::port::InitMain() *should* be called before
        using the TensorFlow library. Programs failing to do this are not
        portable to all platforms.
*   Deprecations and Symbol renames.