Merge tag '0.3.0' into develop

 #19 Add sentry logging
 #26 Ensure login link takes user to assessment page
 #27 Rename "upload" button
 #34 Ensure following a log-in link ends previous session
 #35 Ensure mal-formed login links are rejected
 #39 Update favicon

package.json

@@ -1,6 +1,6 @@
 {
   "name": "assessment-uploader",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "private": true,
   "scripts": {
     "serve": "vue-cli-service serve --mode develop",