* Merge onnx_importer to onnx_ngraph_frontend
* address review comments
* use onnx_ngraph_frontend in docs/template_extension
* link onnx_ngraph_frontend instead of onnx_importer
* switch onnxruntime branch to rel-1.8.1_ov_2022.1 in https://github.com/intel/onnxruntime
* Remove pip install cmake since the 1.8.1 release doesnt require it
* add alias
* set IMPORTED_GLOBAL
Co-authored-by: Ilya Lavrenov <ilya.lavrenov@intel.com>
This change implements a subset of FrontEnd API for ONNX:
Changes:
- move onnx_common, onnx_editor and onnx_import to ngraph/frontend/onnx
- introduce new target 'onnx_frontend_ngraph' located in ngraph/frontend/onnx/frontend
- new target implements subset of FrontEnd, InputModel and Place interfaces
* Added pugixml as submodule
* CVS-34900: updated pugixml to v1.11.4
* Fixed link with pugixml
* USe pugixml::static
* Try to fix bug
* Removed GITHUB_PULL_REQUEST
* Replaced OpenVINO_MAIN_SOURCE_DIR -> OpenVINO_SOURCE_DIR
* Removed some usages of IE_MAIN_SOURCE_DIR
* Use ngraph target directly
* Moved cmake/templates to <root>
* Removed ngraph versioning, reused IE one
* Merged converage
* Removed duplicatde ngraph cmake options
* Moved dependencies to <root>/cmake
* Removed installing of VERSION
