Angular tweaks to work around chrome GC bug

src/app/directives/addPanel.js

@@ -12,6 +12,11 @@ function (angular, app, _) {
       return {
         restrict: 'A',
         link: function($scope, elem) {
+
+          $scope.$on("$destroy",function() {
+            elem.remove();
+          });
+
           $scope.$watch('panel.type', function() {
             var _type = $scope.panel.type;
             $scope.reset_panel(_type);

src/app/directives/kibanaPanel.js

@@ -13,7 +13,6 @@ function (angular) {
 
         '<div class="row-fluid panel-extra"><div class="panel-extra-container">' +
 
-
           '<span class="extra row-button" ng-show="panel.editable != false">' +
             '<span confirm-click="row.panels = _.without(row.panels,panel)" '+
             'confirmation="Are you sure you want to remove this {{panel.type}} panel?" class="pointer">'+