Merge pull request #2267 from prototech/ticket/10737

[ticket/10737] Add  live member search.

* prototech/ticket/10737:
  [ticket/10737] Remove loading indicator.
  [ticket/10737] Enforce allow_live_searches setting in memberlist.php.
  [ticket/10737] Add config setting to disable live searches.
  [ticket/10737] Add loading indicator and alert box code to simple_footer.html.
  [ticket/10737] Load core.js and ajax.js in simple_footer.html.
  [ticket/10737] Set the username as the input value instead of redirecting.
  [ticket/10737] Drop subsilver2 changes.
  [ticket/10737] Add a more generic live search implementation.
  [ticket/10737] Clean up memberlist.php.
  [ticket/10737] Use dropdown for search results container.
  [ticket/10737] Adding delayed keyup and removing target_blank.
  [ticket/10737] Using UTF-8 aware alternatives in PHP code.
  [ticket/10737] Removing obsolete code.
  [ticket/10737] Avoid hard-coding table row and use case-insensitive search.
  [ticket/10737] Removing unnecessary/obsolete code.
  [ticket/10737] Using JQuery events and JSON response.
  [ticket/10737] Code fixes in AJAX search feature
  [ticket/10737] Improvements over last commit
  [ticket/10737] Adding username suggestions in "Find a member" using AJAX

phpBB/phpbb/db/migration/data/v310/live_searches_config.php

@@ -0,0 +1,25 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2014 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace phpbb\db\migration\data\v310;
+
+class live_searches_config extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		return isset($this->config['allow_live_searches']);
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.add', array('allow_live_searches', '1')),
+		);
+	}
+}