* Implemented get_consuming_ports, get_producing_operation and is_equal for PlaceOpONNX
* fixed unambiguous_node_check
* removed PlaceTensorONNX::get_input_port
* added PlaceOpONNX::is_input, PlaceOpONNX::is_output
* fixed python styles
* added get_consuming_operations implementation
* added missing get_consuming_operations for PlaceOpONNX
* added missing get_target_tensor for PlaceOpONNX
* changed place spec
* add support of get_source_tensor
* add support of get_producing_operation for PlaceOpONNX
* add support of get_producing_port for PlaceInputEdgeONNX
* fixed python styles
* missing ref in std::transform
* [Python API] Move ngraph python api to the new destination
* fix building tests
* fix code-style checks
* building in azure
* fix building wheels
* apply fixes
Mateusz Bencer