changed infoscreen rotation time from 5 -> 15s

infoscreen/static/js/infoscreen_controllers.js

@@ -18,7 +18,7 @@ app.controller('infoscreen_main', function($scope,$timeout){
     $scope.next = function(){
         $scope.index = ($scope.index + 1) % templates.length;
         $scope.active = templates[$scope.index];
-        $timeout($scope.next,5000);
+        $timeout($scope.next,15000);
     }
     $scope.next()
 });