[ETD-17] Add runtime support for Packetizer selection

See merge request !8

    For openaadl/ocarina#74

    For openaadl/ocarina#265

    For openaadl/ocarina#264

        For openaadl/ocarina#263

        For openaadl/ocarina#263

        For openaadl/ocarina#263

        For openaadl/ocarina#262

    For openaadl/ocarina#259

     For openaadl/ocarina#258

        For openaadl/ocarina#257

        For openaadl/ocarina#255

          directories.

          For openaadl/ocarina#255

    For openaadl/ocarin#251

        For openaadl/ocarina#255

          file

          For openaadl/ocarina#254

          for files

          For openaadl/ocarina#254

        For openaadl/ocarina#253

      use the name of the feature

    For openaadl/ocarina#251

    For openaadl/ocarina#251

      process

      For openaadl/ocarina#251

with parent name

parentn name