GH-989 Popover: rename open to shownby.
GH-989 Popover: rename open to shownby.

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