add fitBoundsWithConstraints() to the viewport.
add fitBoundsWithConstraints() to the viewport.

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