Merge tag '0.6.0' into develop

 #28`+` being stripped from emails in IA links
 #29 Directly accessing `/assessments/{id}/upload` with different login has incorrect error
 #30 Clicking on the `< back` button on /assessment/{id}/upload goes to sign in
 #48 Carries over FileUpload changes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "assessment-uploader",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "private": true,
   "scripts": {
     "serve": "vue-cli-service serve --mode develop",