rename check_viewable -> check_visualization_viewable
rename check_viewable -> check_visualization_viewable

splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,CartoDB/cartodb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb