GH-989 Layer: change open/close to shownby/hiddenby in configuration parameters.
GH-989 Layer: change open/close to shownby/hiddenby in configuration parameters.

amireynoso/uxtest,atma/chico,vrleonel/chico,vrleonel/ml-test,atma/chico,mercadolibre/chico,amireynoso/uxtest,vrleonel/chico,vrleonel/ml-test,mercadolibre/chico