* Refactor get_default_axis_vector to use std:: functions

* Move get_default_axis_vector to ngraph::op

* Move reorder_axes to ngraph::op::util

* Move reshape helper to ngraph::op::util

* Move DepthToSpace to fused ops

* Add DepthToSpace docstrings

* Move SpaceToDepth to fused ops

* Remove redundant ngraph::op::util::get_default_axis_vector function

* Add ops to serializer

* Change block_size to size_t

* Add fused ops tests

* Add type prop tests

* Add ops to list of ops unsupported on iGPU

* Disable tests in iGPU manifest