Only redraw layer when singleTile changes if it's visible
Only redraw layer when singleTile changes if it's visible

avinet/openlayers,sanak/ol2,altamiracorp/openlayers,colllin/openlayers,sbrunner/openlayers,pgiraud/openlayers,PetrDlouhy/openlayers,v5analytics/openlayers,Gnafu/openlayers,elbakai/openlayers,colllin/openlayers,avinet/openlayers,elbakai/openlayers,sanak/ol2,dracic/openlayers,openlayers/ol2,pgiraud/openlayers,sanak/ol2,dracic/openlayers,PetrDlouhy/openlayers,colllin/openlayers,v5analytics/openlayers,owenmead/openlayers,pvalsecc/openlayers,openlayers/ol2,adh1365/openlayers,pgiraud/openlayers,shevawen/openlayers,pgiraud/openlayers,owenmead/openlayers,openlayers/ol2,pvalsecc/openlayers,elbakai/openlayers,openlayers/ol2,v5analytics/openlayers,elbakai/openlayers,sbrunner/openlayers,pvalsecc/openlayers,colllin/openlayers,v5analytics/openlayers,dracic/openlayers,shevawen/openlayers,PublicStuff/openlayers,Gnafu/openlayers,altamiracorp/openlayers,PublicStuff/openlayers,sanak/ol2,owenmead/openlayers,PublicStuff/openlayers,sbrunner/openlayers,sbrunner/openlayers,Gnafu/openlayers,adh1365/openlayers,adh1365/openlayers,shevawen/openlayers,PetrDlouhy/openlayers,altamiracorp/openlayers,adh1365/openlayers,PublicStuff/openlayers,altamiracorp/openlayers,PetrDlouhy/openlayers,Gnafu/openlayers,avinet/openlayers,shevawen/openlayers,dracic/openlayers,avinet/openlayers,pvalsecc/openlayers,owenmead/openlayers