* Added tool for running Onnx models via nGraph C++ API.

* Code formatting.

* Added option to load inputs from binary files.

* Removed unused variables.

* Changed description.

* Moved read_binary_file function from test_tools to ngraph utils.

* Added option to provide arguments with equals sign.

* Bugfix.

* Changed reading file.

* Code refactoring.

* Added output printing.

* Added comments.

* Undo moved function.

* Removed unused imports.

* Update docstring
Co-Authored-By: Michał Karzyński <postrational@users.noreply.github.com>

* Update docstring
Co-Authored-By: Michał Karzyński <postrational@users.noreply.github.com>

* Added catching exception.

* Code refactoring.