* Reference tests via OpenVINO 2.0
* Migrated to new API acos test
* Fixed other tests compilation
* Fixed tests
* Reference tests use ov::
* Fixed compilation
* Add visitor api test
* Review ngraph op shell with type_prop tests
* Add op to list of trusted operations
* Change name of struct with information of inputs
* Add include of array data structure to fix windowds compilation error
* Add template plugin test class
* Remove usage of CoordinateTransform index function call from reference implementation
* Rename SLT test suite
* Add template plugin unit test
* Add serialization SLTs
* Add indentation on GatherTreeParams class data members
