[components] add **kwargs to render method of header components to make them usable as regular components (eg in other places than the header
# Run all scenarii found in windmill directoryfromos.pathimportjoin,dirnamefromcubicweb.devtools.cwwindmillimport(CubicWebWindmillUseCase,unittest_main)classCubicWebWindmillUseCase(CubicWebWindmillUseCase):#test_dir = join(dirname(__file__), "windmill/test_edit_relation.py")passif__name__=='__main__':unittest_main()