Backport PR #8571

---------

**Commit 1:**
Save settings on enter keypress

Remove unused imports

* Original sha: 09d334694d
* Authored by Thomas Neirynck <thomas@elastic.co> on 2016-10-06T15:46:48Z

src/core_plugins/console/public/src/controllers/sense_controller.js

@@ -3,7 +3,6 @@ import { useResizeCheckerProvider } from '../sense_editor_resize';
 import $ from 'jquery';
 import { initializeInput } from '../input';
 import { initializeOutput } from '../output';
-import es from '../es';
 import init from '../app';
 import { SenseTopNavController } from './sense_top_nav_controller';
 
@@ -20,7 +19,7 @@ module.run(function (Private, $rootScope) {
 module.controller('SenseController', function SenseController(Private, $scope, $timeout, $location, docTitle) {
   docTitle.change('Console');
 
-  $scope.topNavController = Private(SenseTopNavController)
+  $scope.topNavController = Private(SenseTopNavController);
 
   // We need to wait for these elements to be rendered before we can select them with jQuery
   // and then initialize this app

src/core_plugins/console/public/src/directives/sense_settings.js

@@ -7,7 +7,7 @@ require('ui/modules')
     restrict: 'E',
     template: require('./settings.html'),
     controllerAs: 'settings',
-    controller: function ($scope) {
+    controller: function ($scope, $element) {
       const settings = require('../settings');
 
       this.vals = settings.getCurrentSettings();
@@ -16,6 +16,16 @@ require('ui/modules')
         $scope.kbnTopNav.close();
       };
 
+      const self = this;
+
+      function onEnter(event) {
+        if (event.which === 13) {
+          self.apply();
+        }
+      }
+
+      const boundElement = $element.bind('keydown', onEnter);
+      $scope.$on('$destroy', () => boundElement.unbind('keydown', onEnter));
     },
   };
 });

src/ui/public/kbn_top_nav/kbn_top_nav.js

@@ -1,6 +1,5 @@
 import _ from 'lodash';
 import 'ui/watch_multi';
-import angular from 'angular';
 import 'ui/directives/input_focus';
 import uiModules from 'ui/modules';
 import template from './kbn_top_nav.html';

src/ui/public/kbn_top_nav/kbn_top_nav_controller.js

@@ -1,7 +1,6 @@
 import { capitalize, isArray, isFunction } from 'lodash';
 
 import chrome from 'ui/chrome';
-import uiModules from 'ui/modules';
 import filterTemplate from 'ui/chrome/config/filter.html';
 import intervalTemplate from 'ui/chrome/config/interval.html';