* Opset1

* Added opset1.hpp

* Added more ops to opset0 and opset1

* Move opset1.hpp up and remove opset0.hpp

* Add versioning to more ops

* Revert to older pass names to keep compatibility for external components

* Fix compilation errors with codegen

* merge

* Added compile-time check for opset

* Added opset1 tbl

* Add op_version table of all ops

* Create factories from op_version_tbl

* reorg unsupported ops in int backend

* Added temporary alias for GreaterEqual

* Add missing case to interpreter enumeration

* Finish opset serializer cleanup (#3939)

* Opset-based opset conversion (#3937)

* Opset-based opset conversion

* Add other opset conversion

* Use ops.hpp

* Update opset0_tbl.hpp

* Switch interpreter to opset0 + a few extras (#3941)

* Switch interpreter, gcpu to opset0

* Remove unnused files

* Give interpreter its own opset

* style

* Fix namespace

* Fix rounding type conversion

* Work-around for bad clang3.9 bug

* Work-around