*   Select and scatter in reference util and evaluator now use
        lexicographical order to break ties.
*   TensorFlow Debugger (tfdbg) CLI:
    *   During tensor-filter operations, allow exclusion of nodes by regular
        expressions.
    *   Fix spurious background colors in some text terminals.
*   `tf.contrib`:
    *   Add meta-distribution BatchReshape which reshapes batch dimensions.