Fix ordering of channels

As channels aren't added right away (but as soon as the info was
received from the server), somehow the orderBy didn't do its job.

index.html

@@ -224,7 +224,7 @@ $ openssl req -nodes -newkey rsa:2048 -keyout relay.pem -x509 -days 365 -out rel
               <input class="form-control monospace" type="text" id="bufferFilter" ng-model="search" ng-keydown="handleSearchBoxKey($event)" placeholder="Search">
             </form>
           </li>
-          <li class="buffer" ng-class="{'active': content.active }" ng-repeat="(key, content) in buffers | toArray | filter:{fullName:search} | filter:hasUnread | orderBy:'content.number':true">
+          <li class="buffer" ng-class="{'active': content.active }" ng-repeat="(key, content) in buffers | toArray | filter:{fullName:search} | filter:hasUnread | orderBy:predicate">
             <a href="#" ng-click="setActiveBuffer(content.id)" title="{{ content.fullName }}">
                 <span class="badge pull-right" ng-hide="content.notification" ng-if="content.unread" ng-bind="content.unread"></span>
               <span class="badge pull-right danger" ng-show="content.notification" ng-bind="content.notification"></span>
@@ -236,7 +236,7 @@ $ openssl req -nodes -newkey rsa:2048 -keyout relay.pem -x509 -days 365 -out rel
       <div id="bufferlines" class="monospace" ng-class="{'withnicklist': showNicklist}">
         <div id="nicklist" ng-show="showNicklist" class="vertical-line-left">
           <ul class="nicklistgroup list-unstyled" ng-repeat="group in activeBuffer().nicklist">
-            <li class="" ng-repeat="nick in group.nicks|orderBy:'nick.name'">
+            <li class="" ng-repeat="nick in group.nicks|orderBy:name">
               <a ng-click="nickAction(nick)"><span ng-class="nick.prefixClasses">{{nick.prefix}}</span><span ng-class="nick.nameClasses">{{nick.name}}</span></a>
             </li>
           </ul>

js/websockets.js

@@ -315,6 +315,7 @@ weechat.factory('connection', ['$q', '$rootScope', '$log', '$store', 'handlers',
                         models.setActiveBuffer(buffer.id);
                     }
                 }
+                $rootScope.predicate = 'number';
             });