FIX: token renewal, logger and self/this issue in App.vue

src/App.vue

@@ -88,12 +88,12 @@ export default {
     oidc.Log.logger = console
     let self = this
     this.oidcmgr.events.addAccessTokenExpiring(function () {
-      this.$log.debug('starting silent access_token renewal')
+      console.log('Debug info: starting silent access_token renewal')
       self.oidcmgr.signinSilent().then(function (user) {
         self.user.access_token = user.access_token
-        this.$log.debug(self.user.access_token)
+        console.log(self.user.access_token)
       }).catch(function (err) {
-        this.$log.debug(err)
+        console.log(err)
         alert('Your OpenID access token could not be renewed automatically.\n' +
           'You will be logged out in ' + process.env.VUE_APP_API_STEERING_OIDC_EXPIRE_NOTIFICATION + ' seconds.')
       })
@@ -111,20 +111,20 @@ export default {
   },
   methods: {
     signIn () {
-      this.oidcmgr.signinRedirect().catch(function (err) {
+      this.oidcmgr.signinRedirect().catch(err => {
         alert('Error: something went wrong when signing in. See console for details.')
         this.$log.error(err)
       })
     },
     signOut () {
-      let self = this
-      this.oidcmgr.signoutRedirect().then(function (resp) {
-        self.user.logged_in = false
+      this.oidcmgr.signoutRedirect().then(resp => {
+        this.user.logged_in = false
         this.$log.debug('signed out', resp)
-      }).catch(function (err) {
+      }).catch(err => {
         this.$log.error(err)
         alert('Error: something went wrong when logging out. See console for details.')
       })
+      console.log('3')
     },
     getSteeringUser () {
       axios.get(process.env.VUE_APP_API_STEERING + 'users/', {