Require ui.router and ui.bootstrap using NPM style (#321)

Signed-off-by: Juan Cruz Viotti <jviottidc@gmail.com>

lib/browser/app.js

@@ -25,10 +25,8 @@ const _ = require('lodash');
 const electron = require('electron');
 const dialog = electron.remote.require('./src/dialog');
 
-require('angular-ui-router');
-
 const app = angular.module('Etcher', [
-  'ui.router',
+  require('angular-ui-router'),
 
   // Etcher modules
   require('./browser/modules/drive-scanner'),

lib/browser/components/drive-selector/drive-selector.js

@@ -21,11 +21,9 @@
  */
 
 const angular = require('angular');
-require('angular-ui-bootstrap');
-
 const MODULE_NAME = 'Etcher.Components.DriveSelector';
 const DriveSelector = angular.module(MODULE_NAME, [
-  'ui.bootstrap',
+  require('angular-ui-bootstrap'),
   require('../../../browser/modules/drive-scanner'),
   require('../../../browser/models/selection-state')
 ]);

lib/browser/pages/finish/finish.js

@@ -27,11 +27,9 @@
  */
 
 const angular = require('angular');
-require('angular-ui-router');
-
 const MODULE_NAME = 'Etcher.Pages.Finish';
 const FinishPage = angular.module(MODULE_NAME, [
-  'ui.router',
+  require('angular-ui-router'),
   require('../../modules/image-writer'),
   require('../../modules/analytics'),
   require('../../models/selection-state'),

lib/browser/pages/settings/settings.js

@@ -21,11 +21,9 @@
  */
 
 const angular = require('angular');
-require('angular-ui-router');
-
 const MODULE_NAME = 'Etcher.Pages.Settings';
 const SettingsPage = angular.module(MODULE_NAME, [
-  'ui.router',
+  require('angular-ui-router'),
   require('../../models/settings')
 ]);
 

lib/browser/utils/if-state/if-state.js

@@ -25,11 +25,9 @@
  */
 
 const angular = require('angular');
-require('angular-ui-router');
-
 const MODULE_NAME = 'Etcher.Utils.IfState';
 const IfState = angular.module(MODULE_NAME, [
-  'ui.router'
+  require('angular-ui-router')
 ]);
 
 IfState.directive('showIfState', require('./directives/show-if-state'));