* Reorder nGraph LSTMSequence input/outpt dimensions * Update nGraph pythonAPI for LSTMSequence * Reorder axes in ONNX importer LSTM * Tests update * Fix clang warning * Use opset3 namespace * Style apply * Tests update * Use opset1 namespace * Remove usage of GetOutputElement in ONNX importer LSTM * Remove opset0 header * Use Node::output()