Adding rpm repo copy testing.
Cleaning up
Tests for  copy individual types.
moving orphan to units
fix import error on newer gevent lib
fix: assert some orphans
Introduced advanced search for different resource types
Renamed custom_update() to importer_config_update() to be more explicit
introducing content unit types
fix packaging
fix: import errors
fix missing method and import errors
 copy automation fixes round #2
fix name prefix clash
fix: missed repo cleaning