* adding group convolution implementation for plaidml

* update CMakeLists.txt to include new group convolution files

* adding new ngraph unit tests for grouped convolutions

* adding group conv unit test back in for plaidml backend

* specify group convolution support in plaidml

* add denise as codeowner for plaidml runtime dir

* remove commented-out lines of unit test manifest

* style changes

* resolve all discussions in PR

* skip data dilation unit test on cpu backend

* Don't enable dl use in static builds

remove dladdr in static

* Swap dlerror defs

* - add NGRAPH_INTERPRETER_STATIC_LIB_ENABLE && NGRAPH_CPU_STATIC_LIB_ENABLE as compiler definitions

* Don't look for backends if static

* - add dummy function to register quantized concat and max_pool for static build

* Fix ifdef

* Adjust ROIPolling

* Fixed comment

* - private function to static initlize all the backend for static library builds

* - export backend function on windows

* -fix_typo

* [ONNX] Remove unused includes

* Update headers

* Clang format

* WIP

* CHANGE_DYNAMIC_STATE

* Implement full type prop for DynBroadcast when inputs const/static; clean up pass properties

* Add a unit test for the late-constness thing

* Fix merge

* style

* [Py] Added grn operator to Python API.

* [Py] Changed order of included files.

* [Py] Changed docstring.

* style

[Py] Added gemm operator to Python API.

Convert pattern ops to type_name

Add logical xor op

[Py] Code formatting.

Remove some get_arguments() uses

Fix deprecation messages

NGCORE-526

Add windows symbol export support

Improve pragma usage.