Reduce number of watchers for buffer list

One watcher for each buffer
One additional watcher for each buffer without activity

index.html

@@ -218,9 +218,8 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
           </li>
           <li class="buffer" ng-class="{'active': buffer.active, 'indent': buffer.indent }" ng-repeat="(key, buffer) in (filteredBuffers = (buffers | toArray | filter:{fullName:search} | filter:hasUnread | orderBy:predicate))">
             <a href="#" ng-click="setActiveBuffer(buffer.id)" title="{{ buffer.fullName }}">
-              <span class="badge pull-right" ng-if="buffer.unread && !buffer.notification" ng-bind="buffer.unread"></span>
-              <span class="badge pull-right danger" ng-if="buffer.notification" ng-bind="buffer.notification"></span>
-              <span class="buffername">{{ buffer.shortName }}</span><span ng-if="!buffer.shortName">{{ buffer.fullName }}</span>
+              <span class="badge pull-right" ng-class="{'danger': buffer.notification}" ng-if="buffer.notification || buffer.unread" ng-bind="buffer.notification || buffer.unread"></span>
+              <span class="buffername">{{ buffer.shortName || buffer.fullName }}</span>
             </a>
           </li>
         </ul>