* Commit.
* Written draft of NonMaxSuppression-5 class.
* Written conversion of the value of the second output of MO NonMaxSuppression-5 into TF format.
* Fixed type infer for the port 1 of NonMaxSuppression-5.
* Added Reshape to [1] for 0D inputs of NMS-5.
* Small fix.
* Corrected assert for number of inputs.
* Fixed docstrings for transformations TFNonMaxSuppressionNormalize and NonMaxSuppressionNormalize.
* Now the transformation TFNonMaxSuppressionNormalize uses find_and_replace_pattern().
* Moved model-optimizer/extensions/front/onnx/non_max_suppression_normalize.py to model-optimizer/extensions/front/non_max_suppression_normalize.py, to delete duplicate code.
* Deleted commented code.
* Fixed BOM-file.
* Deleted out_ports_count from NMS.
* Fixes in type_infer of NMS-5.
* Small changes.
* Added some comment.
* Small fix.
* Some fixes.
Alexey Suhov