Merge branch 'dispatcher-search' into 'master'

Refactor dispatcher search path

See merge request gitlab-org/gitlab-ce!16366

app/assets/javascripts/dispatcher.js

@@ -13,7 +13,6 @@ import groupAvatar from './group_avatar';
 import GroupLabelSubscription from './group_label_subscription';
 import LineHighlighter from './line_highlighter';
 import groupsSelect from './groups_select';
-import Search from './search';
 import initAdmin from './admin';
 import NamespaceSelect from './namespace_select';
 import NewCommitForm from './new_commit_form';
@@ -529,7 +528,9 @@ import Activities from './activities';
           VersionCheckImage.bindErrorEvent($('img.js-version-status-badge'));
           break;
         case 'search:show':
-          new Search();
+          import('./pages/search/show')
+            .then(callDefault)
+            .catch(fail);
           break;
         case 'projects:settings:repository:show':
           // Initialize expandable settings panels

app/assets/javascripts/pages/search/show/index.js

+import Search from './search';
+
+export default () => new Search();

app/assets/javascripts/search.js → app/assets/javascripts/pages/search/show/search.js

-import Flash from './flash';
-import Api from './api';
+import Flash from '~/flash';
+import Api from '~/api';
 
 export default class Search {
   constructor() {