[Review] Request from 'aduffeck' @ 'SUSE/machinery/autoyast_export'

Please review the following changes:
  * 1d73eda Add integration test for "machinery export-autoyast"
  * 9d4f3ba Add groups to the autoyast profile
  * b95f6bc Create basic autoyast profiles (repos, packages, patterns and users)
  * b9cf441 Add skeleton for "machinery export-autoyast"
  * a5a01db Rename KiwiExportError and KiwiExportTask to also work for other exports
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