Username is only lightly shown

When creating the issue for this branch i was under the assumption that the students name (or pseudoanonymised name) was broadly displayed on the landing page when logging in. But that has apparently been removed in an earlier commit already.

Closes #172 (closed)

frontend/src/components/BaseLayout.vue

@@ -70,12 +70,15 @@
       <v-spacer/>
       <slot name="toolbar-center"/>
       <div class="toolbar-content">
-        <v-menu bottom offset-y>
+        <v-menu bottom offset-y v-if="!isStudent">
           <v-btn slot="activator" color="cyan" style="text-transform: none">
             {{ userRole }} | {{ username }} <v-icon>arrow_drop_down</v-icon>
           </v-btn>
           <user-options class="mt-1" v-if="!isStudent"/>
         </v-menu>
+        <span v-else style="color:#595959">
+          {{username}}
+        </span>
       </div>
       <slot name="toolbar-right"></slot>
       <v-btn color="blue darken-1" id="logout" @click.native="logout">Logout</v-btn>