Return the autoupdater value from the server

Signed-off-by: Joas Schilling <coding@schilljs.com>

lib/private/Updater/VersionCheck.php

@@ -89,6 +89,7 @@ class VersionCheck {
 				$tmp['versionstring'] = (string)$data->versionstring;
 				$tmp['url'] = (string)$data->url;
 				$tmp['web'] = (string)$data->web;
+				$tmp['autoupdater'] = (string)$data->autoupdater;
 			} else {
 				libxml_clear_errors();
 			}

tests/lib/Updater/VersionCheckTest.php

@@ -83,6 +83,7 @@ class VersionCheckTest extends \Test\TestCase {
 			'versionstring' => 'ownCloud 8.0.4',
 			'url' => 'https://download.owncloud.org/community/owncloud-8.0.4.zip',
 			'web' => 'http://doc.owncloud.org/server/8.0/admin_manual/maintenance/upgrade.html',
+			'autoupdater' => '0',
 		];
 
 		$this->config
@@ -120,6 +121,7 @@ class VersionCheckTest extends \Test\TestCase {
   <versionstring>ownCloud 8.0.4</versionstring>
   <url>https://download.owncloud.org/community/owncloud-8.0.4.zip</url>
   <web>http://doc.owncloud.org/server/8.0/admin_manual/maintenance/upgrade.html</web>
+  <autoupdater>0</autoupdater>
 </owncloud>';
 		$this->updater
 			->expects($this->once())
@@ -176,6 +178,7 @@ class VersionCheckTest extends \Test\TestCase {
 			'versionstring' => '',
 			'url' => '',
 			'web' => '',
+			'autoupdater' => '',
 		];
 
 		$this->config
@@ -209,6 +212,7 @@ class VersionCheckTest extends \Test\TestCase {
   <versionstring></versionstring>
   <url></url>
   <web></web>
+  <autoupdater></autoupdater>
 </owncloud>';
 		$this->updater
 			->expects($this->once())