Changed _this.source.overlays to _this.overlays, https://github.com/openseadragon/openseadragon/pull/561/files#r22730318
Changed _this.source.overlays to _this.overlays, https://github.com/openseadragon/openseadragon/pull/561/files#r22730318

daverome/openseadragon,shaunstanislaus/openseadragon,TMUND/openseadragon,LarissaSmith/openseadragon,seanich/openseadragon,daverome/openseadragon,openseadragon/openseadragon,jmnetus/openseadragon,rdlester/openseadragon,Iced-Tea/openseadragon,goofwear/openseadragon,lidasong2014/openseadragon,mcanthony/openseadragon,msalsbery/openseadragon,mcanthony/openseadragon,lidasong2014/openseadragon,ricochet2200/openseadragon,jmnetus/openseadragon,avandecreme/openseadragon,ricochet2200/openseadragon,Iced-Tea/openseadragon,goofwear/openseadragon,msalsbery/openseadragon,seanich/openseadragon,shaunstanislaus/openseadragon,TMUND/openseadragon,rdlester/openseadragon,avandecreme/openseadragon,LarissaSmith/openseadragon,openseadragon/openseadragon