* Add Reverse Op to opset
* Worksave with Reverse path
* Add last_index support
* refactor argminmax factory
* Remove old xfail, add new one
* Fix proto file for argmax
* Rewrite test for select_last_index
* Add CPU tests to Manifest
* Update manifest
* Remove Reverse from opset7
* Refactor arg_min_max factory
* Added example comment in arg_min_max
* Codestyle changes