Added security checks for /uploads and /submissions. Also made /uploads only visible in account dropdown if you have current uploads. All in app.js
Added security checks for /uploads and /submissions. Also made /uploads only visible in account dropdown if you have current uploads. All in app.js

hms-dbmi/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront