Is there a way to change the basemap to one different than the default ones? I was interested in creating a web app for my cemetery. Trouble is the default basemaps won't let you zoom in beyone 1:1128 (or may 1:564). My application needs to go down to about 1:50. The basemap isn't exactly important at that scale but I did create a basemap for the app for my FlexViewer and it works fine. I would love to explore the Web AppBuilder functionality in order to move to a mobile friendly web application.