fix to close dropdown nav on mobile
fix to close dropdown nav on mobile

tomwayson/responsive-citizens,jeffjefferson42/dojo-bootstrap-map-js,SJCGIS/lidar-swipe,tsamaya/responsive-citizens,tomwayson/responsive-citizens,tsamaya/responsive-citizens,SJCGIS/traffic-collisions-app,SJCGIS/lidar-swipe,jeffjefferson42/dojo-bootstrap-map-js,Esri/dojo-bootstrap-map-js,Esri/dojo-bootstrap-map-js,SJCGIS/traffic-collisions-app