Ugly hack to ensure the modal backdrop is removed when changing views

Couldn't figure a way to make this generic

webadmin/src/views/graphs.js

@@ -192,4 +192,6 @@ angular.module('Application').controller('GraphsController', ['$scope', '$locati
     Client.onReady($scope.updateMemorySystemChart);
     Client.onReady($scope.updateMemoryAppsChart);
     Client.onReady($scope.setMemoryApp.bind(null, 'system'));
+
+    $('.modal-backdrop').remove();
 }]);