Resolve "Resolve peer dependency warnings"

Closes #150 (closed)

frontend/src/components/AutoLogout.vue

 <template>
   <v-dialog
+    v-model="logoutDialog"
     persistent
     max-width="30%"
-    v-model="logoutDialog"
   >
     <v-card id="logout-dialog">
       <v-card-title class="headline">
         You'll be logged out!
       </v-card-title>
       <v-card-text>
-        Due to inactivity you'll be logged out in a couple of moments.<br/>
+        Due to inactivity you'll be logged out in a couple of moments.<br>
         Any unsaved work will be lost.
         Click Continue to stay logged in.
       </v-card-text>
       <v-card-actions>
-        <v-btn flat color="grey lighten-0"
-               id="logout-btn"
-               @click="logout"
-        >Logout now</v-btn>
-        <v-spacer/>
-        <v-btn flat color="blue darken-2"
-               id="continue-btn"
-               @click="continueWork"
-        >Continue</v-btn>
+        <v-btn
+          id="logout-btn"
+          flat
+          color="grey lighten-0"
+          @click="logout"
+        >
+          Logout now
+        </v-btn>
+        <v-spacer />
+        <v-btn
+          id="continue-btn"
+          flat
+          color="blue darken-2"
+          @click="continueWork"
+        >
+          Continue
+        </v-btn>
       </v-card-actions>
     </v-card>
   </v-dialog>
@@ -72,7 +80,7 @@ export default class AutoLogout extends Vue {
 
   mounted () {
     // show notification on unload if logged in
-    window.onbeforeunload = event => {
+    window.onbeforeunload = (event: BeforeUnloadEvent) => {
       if (Authentication.isLoggedIn) {
         // return something to trigger the confirmation dialog
         // since firefox 44 it is no longer possible to show a custom confirmation message
@@ -87,7 +95,7 @@ export default class AutoLogout extends Vue {
       if (this.$route.name !== 'login' && Authentication.isLoggedIn) {
         if (Date.now() > this.lastTokenRefreshTry + this.jwtTimeDelta) {
           this.logoutDialog = false
-          actions.logout("You've been logged out due to inactivity.")
+          actions.logout('You\'ve been logged out due to inactivity.')
         } else if (Date.now() + timeDialogAppearsBeforeLogout > this.lastTokenRefreshTry + this.jwtTimeDelta) {
           this.logoutDialog = true
         }