[BUGFIX] Fix news feed rendering

Resources/Private/Templates/NewsFeed/Index.html

 <?xml version="1.0" encoding="utf-8"?>{namespace sg=SGalinski\SgNews\ViewHelpers}
 <feed xmlns="http://www.w3.org/2005/Atom" xml:lang="de">
 	<title>News Feed</title>
-	<link href="{f:uri.page(pageUid: '{rootpageId}', absolute: '1')}" />
-	<link rel="self" type="application/atom+xml" href="{f:uri.page(pageUid: '{rootpageId}', absolute: '1', pageType: '78906523')}" />
-	<id>{f:uri.page(pageUid: '{rootpageId}', absolute: '1')}news.xml</id>
+	<subtitle type="html">{settings.siteName}</subtitle>
+	<link href="{f:uri.page(pageUid: '{settings.rootpageId}', absolute: '1')}" />
+	<link rel="self" type="application/atom+xml" href="{f:uri.page(pageUid: '{settings.rootpageId}', absolute: '1', pageType: '78906523')}" />
+	<id>{f:uri.page(pageUid: '{settings.rootpageId}', absolute: '1', pageType: '78906523')}</id>
 	<updated>{news.0.lastUpdated -> f:format.date(format: "Y-m-d\TH:i:s+01:00")}</updated>
-	<subtitle type="html">News Feed - {absoluteUrl}</subtitle>
 	<author>
 		<name>{settings.siteName}</name>
 	</author>
@@ -18,4 +18,4 @@
 			<summary type="html">{singleNews.description}</summary>
 		</entry>
 	</f:for>
-</feed>
\ No newline at end of file
+</feed>