WIP: Frontend demo

DO NOT MERGE

This branch relies on request !127 (merged) Changes for the demo:

• the demo course (name configurable) is shown first over otherwise equal courses
• roles can be changed in the frontend under /roles
• when the demo runs in dev mode, AKA localhost, the following netids have a fixed role:
  • mpigmans: student
  • mvandeursen: manager
  • ghabbenjansen: verifier
  • rkeulemans: scheduler

frontend/config/index.js

@@ -14,7 +14,7 @@ module.exports = {
 
     // Various Dev Server settings
     host: 'localhost', // can be overwritten by process.env.HOST
-    port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
+    port: 3000, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
     autoOpenBrowser: false,
     errorOverlay: true,
     notifyOnErrors: true,