* Update documentation for utility test functions.

* Remove unnecesary code and update comment.

* Added elu operator to Python API.

* Added missing file.

* Specified elu function description.

* Expand docstring

* [Py] Added test with scalar for elu operator.

* Bugfix

*  [Py] Changed input type in elu test.

* Update test_ops_binary.py

* [Py] Syntax bugfix.

* [Py] Added elu operator to list in documentation.

* Enable INTELGPU backend for python tests

* Skip the test_replace_slice on iGPU

RuntimeError: Unsupported op 'ReplaceSlice' in IntelGPU back end.

* Reformat a function to satisfy flake8

* Yet another code formatting correction

* Fix of the failing tests: test_unary_op_array & test_unary_op_scalar

* Parametrize the logical_not test with input_data

* Code formatting

* Whitespace removal because flake8

* remove tensor offset from tensor read/write calls because it was never used

* fix build errors

* fix build errors

* fix python test errors

* more python fixes

* revert change

* Make old version of read/write deprecated

* fix python read overload

* one more try to fix python binding

* fix python

* yet another try

* why is this so hard

* fix?

* add text to changes.md

* wip

* build works with serialize disabled

* one more try

* disable unit test when json disabled

* handle case where serialize is disabled in python test

* one more fix

* Remove parameter, result, and node vector files and class, use vector

* Fix gcc issues

* style

* Remove python references

* update python files

* fix error

* fix build error

* Change OneHot to accept only non-real types

* Update docstring

* Update Python test

* Add is_integral to element::Type

* Update docs

* Change is_integral to false for boolean

* Revert "Change is_integral to false for boolean"

This reverts commit 099ff378ae7fcbd1d9346665812f6b95e4886186.

* Revert "Add is_integral to element::Type"

This reverts commit 58fdf76fecaefdad10431f9a894523f326f3adca.

* Change is_integral so it is, by definition, !is_real

* Retire Reduce, ReduceWindow, SelectAndScatter

* Remove lingering AnyAllReplacement code

* Remove apparently-now-unused macro

* Remove lingering op/reduce.hpp includes

* Remove FunctionCall

* Update Python stuff to remove FunctionCall, Reduce

* Add Any/All tests to GPU manifest

* Remove deleted .hpp #include from gpu_compiled_function.cpp

* Restore reduce_function.cpp since that is where the All/Any implementations ended up residing

* Add reduce_function.cpp back into CMakeLists.txt

* Remove #include of deleted reduce.hpp

* Re-remove AnyAllReplacement from GPU passes

* Remove deleted #includes from gpu_internal_function.cpp

* Remove git conflict stuff (whoops)

* Add newline at EOF, per review comment

* Address flake8 complaint about unused import

* update licenses for 2019

* style

* change compile call to return Handle

* make CPU require compile() before call()

* fix unit tests to call compile() before call()

* fix failing ops

* update unit test

* revert some changes

* more fixups

* more diff cleanup

* a few more issues addressed

* more fixes

* update API

* more updates

* fix test_ops.py

* fix

* another attempt to fix

* fix unit test

* fix test error

* Update README for PyPI

* Update README for PyPI

* Remove redundant newlines

* Fix links

This reverts commit c5b082c6.

* onnx: return signle nGraph function with multiple outputs
Signed-off-by: Artur Wojcik <artur.wojcik@intel.com>

* onnx: remove excessive code
Signed-off-by: Artur Wojcik <artur.wojcik@intel.com>

* Update ngraph python unit tests

* Add PlaidML backend

* CR comments

Used m_ prefix for members; removed trailing underscores
Updated license headers
Moved associated header inclusions to project blocks
Wrapped comments to 100 chars
Added missing newlines between functions
Removed nested namespaces in operation implementations

* Add earhart to CODEOWNERS

* Rebase updates

* style

* Implement TopK.

* Update python wrappers for TopK, ArgMin and ArgMax.

* Address some reviewer comments.

* Add type property check tests for TopK.
Set correct TopK behavior for K==0.

* TopK: Add 1d and 3d unit tests.

* Address more reviewer comments.

* Apply code style.

* Expose onnx_import C++ interface in Python API.

* Pretty printing.

* Add Computation interface using Ngraph Function objects plus UT.

* Apply code format.

* Remove unnecessary stream open mode.

- Code formatting.

* Fix onnx_import submodule visibility.

- Folder restructurization.

* Fix some small errors.

- Wrong function type annotations.
- Class doc.
- Code formatting.
- Class inheritance from object.

* Use modified Runtime class interface.

* Add model for test_onnx_import.

* Revert back to old API.

- Use of Function object in Computation class.

* Use of previous verions API.

* Small refactoring

* Code cleanup

* [Py] Wrapper for LRN

* Add missing header

* Add default param values, docs and some unit tests

* Fixes

* clang-format

* [Py] Add convolution_backprop_data to API

* Conv fix

* Enable retrieving data from Constant in python.

* Test on wide value range.

* complete the new backend construction/destruction API
* close each dlopen
* don't close libraries for now as it causes python to segfault

* remove obsolete

* change to use new Backend API

* rename parameter

* remove deprecated

* remove all legacy Backend API usage

remove deprecated files

* pull in changes from master

* fix GPU calls

* disable tests in convolution generator

* update per PR comments. Enable performance counter feature.

* update per PR comments

* fix build error

* fix conditionally compiled test :(

* Add python wrapper for nGraph Reduce operation.

- Add UT.

* Refactoring.

- Add UT case with default reduction on all axes.

* Extend `reduce` operation signature to also accept `Function` object.

- Add UT case.

* Fix formatting errors.

* Enable BatchNorm op

* Enable function call op

* Enable get output element op

* unskipping passing gpu tests

* skipping failing gpu tests

* import pytest as needed

* fix style issues

* unskip passing test

* add additional skip reason, unable to compile