Upgraded backend bootstrap

Author: chrisleekr

backend/package.json

@@ -22,7 +22,7 @@
  "@angular/platform-browser-dynamic": "^6.0.1",
  "@angular/router": "^6.0.1",
  "@auth0/angular-jwt": "^2.0.0",
- "bootstrap": "^4.1.1",
+ "bootstrap": "^4.1.2",
  "classlist.js": "^1.1.20150312",
  "core-js": "^2.5.6",
  "font-awesome": "^4.7.0",