interim commit with lots of stuff

- conversion from Element UI to Bootstrap 4 in progress (smaller, more
flexible)
- added Font Awesome for fonts, vue-toast for notifications
- added common components to main.js and out of other components
- some work on pulling answered requests (#3), added icon for notes (#8)

src/app/package.json

@@ -16,12 +16,14 @@
   "dependencies": {
     "auth0-js": "^8.10.1",
     "axios": "^0.16.2",
-    "element-ui": "^1.4.4",
+    "bootstrap-vue": "^1.0.0-beta.9",
     "moment": "^2.18.1",
     "pug": "^2.0.0-rc.4",
     "vue": "^2.4.4",
+    "vue-awesome": "^2.3.3",
     "vue-progressbar": "^0.7.3",
     "vue-router": "^2.6.0",
+    "vue-toast": "^3.1.0",
     "vuex": "^2.4.0"
   },
   "devDependencies": {