* added reinterp_shape parameter to tf ss extractor
* removed reinterp_shape
* added transformation to replace ss
* updated bom
* fix for e2e tests
* updated a case when shrink_axis_mask and new_axis_mask are both initialized
* unittests
* added comments
* updated graph_condition
* comments resolving
* updated the case, when shrink_axis_mask and new_axis_mask are both initialized
* added layer tests for squeeze/unsqueeze cases
* remove case when shrink and new axis masks are both set
* initial changes to support nested loop
* fixed issues
* fixed nested loop extraction
* added comments
* removed unneeded comments
* review fix
* added tests
* turned off loop tests on GPU
* set xfail for TF tests
* removed TF test to move it in another repo
* fix typo in comment
* move duplicated code to separate functions;
added asserts
* add function for onnx constant creation;
add function to create body of loop
add comments to test
* move main change for nested loop to separate function
* add CMakeLists.txt
* add copyright docstring
* add newline after copyright
* set target name
* change TARGET to DIRECTORY
* Rename layer tests dir to avoid name conflict
* cmakelists.txt final version
* Change destination to tests\layer_tests_openvino
* Add cmake_minimum_required to CMakeLists.txt
* Update CMakeLists.txt
* gather-8 upgrade/downgrade transforms
* bump to opset8
* add Gather-8 to MO
* fix permutation for Gather
* added TF layer tests, ONNX layer tests for negative indices, and nG python api unit-tests for negative indices
* typo fix, disable downgrading transformation
* disable downgrade in clDNN, line width style fix
* all Gathers are converted to 7th version, transformations will be enabled/disabled while op will be added into plugins
* disabled Gather8LayerTest on GPU
* added common function for Op replacement
* concretized meaning of negative indices, fixed some typos
* applied review comments: left only meaningful layer tests
* removed op replacing functions from common utils
* returned back transformations without subroutines
* corrected style, added comments to common_optimizations.cpp
