* Added CC macros to validate, clone and visit

* Fixed names

* Fixed code style

* Add exceptions

* Revert "Add exceptions"

This reverts commit 0489ba376f762f1f79b374d79ff63b561662a2c9.

* Update ngraph macros, throw an exception if code is disable for nGraph op

* Fixed code style

* Simplified NGRAPH_OP_SCOPE

* Changed TYPE_CASE macros

* Fixed compilation

* Fixed code style

* Fixed build