GUACAMOLE-78: Render the usernames of anonymous users differently.

guacamole/src/main/webapp/app/settings/templates/settingsConnectionHistory.html

@@ -32,7 +32,7 @@
             </thead>
             <tbody ng-class="{loading: !isLoaded()}">
                 <tr ng-repeat="historyEntryWrapper in historyEntryWrapperPage" class="history">
-                    <td>{{historyEntryWrapper.username}}</td>
+                    <td><guac-user-item username="historyEntryWrapper.username"></guac-user-item></td>
                     <td>{{historyEntryWrapper.startDate | date : dateFormat}}</td>
                     <td translate="{{historyEntryWrapper.readableDurationText}}"
                         translate-values="{VALUE: historyEntryWrapper.readableDuration.value, UNIT: historyEntryWrapper.readableDuration.unit}"></td>