Merge remote-tracking branch 'origin/master'

templates/registered/jabberbroadcast.html

@@ -21,7 +21,7 @@
                         {% csrf_token %}
                         {{ form|bootstrap }}
                         <br/>
-                        <button class="btn btn-lg btn-primary btn-block" type="submit">Broadcast</button>
+                        <button class="btn btn-lg btn-primary btn-block" type="submit" onclick="this.disabled=true">Broadcast</button>
                     </form>
                 </div>
             </div>