Some consistency tweaks:

* ExtensionCredits
** Add path
** Use an array for multiple authors

* i18n file
** Standardize prefix ra -> relatedarticles
** Article -> Page for consistenxy
** Standardize description message
** Add message documentation

Change-Id: I1b50f879f468cff2847751be32eacc51d524fd08

RelatedArticles.i18n.php

@@ -9,21 +9,29 @@
 $messages = array();
 
 $messages['en'] = array(
-	'ra-RelatedArticles' => 'Related articles',
+	'relatedarticles-sidebartext' => 'Related pages',
-	'ra-desc'            => 'Extension for presentation of related articles on the sidebar',
+	'relatedarticles-desc' => 'Adds a link to related pages on the sidebar',
+);
+
+/** Message documentation (Message documentation)
+ * @author Raimond Spekking
+ */
+$messages['qqq'] = array(
+	'relatedarticles-sidebartext' => 'Shown on the sidebar',
+	'relatedarticles-desc' => '{{desc}}',
 );
 
 $messages['de'] = array(
-	'ra-RelatedArticles' => 'Verwandte Artikel',
+	'relatedarticles-sidebartext' => 'Verwandte Seiten',
-	'ra-desc'            => 'Erweiterung für die Ausgabe von verwandten Artikeln auf der Sidebar',
+	'relatedarticles-desc' => 'Erweiterung für die Ausgabe von verwandten Seiten auf der Sidebar',
 );
 
 $messages['fr'] = array(
-	'ra-RelatedArticles' => 'Articoli collegati',
+	'relatedarticles-sidebartext' => 'Articoli collegati',
 );
 
 $messages['it'] = array(
-	'ra-RelatedArticles' => 'Autres articles',
+	'relatedarticles-sidebartext' => 'Autres articles',
 );
 
 

RelatedArticles.php

@@ -11,9 +11,10 @@ $wgExtensionMessagesFiles['RelatedArticles'] = $dir . 'RelatedArticles.i18n.php'
 
 $wgExtensionFunctions[] = 'wfSetupRelatedArticles';
 $wgExtensionCredits['parserhook']['RelatedArticles'] = array(
+	'path' => __FILE__,
 	'name' => 'RelatedArticles',
 	'url' => 'http://wikivoyage.org/tech/RelatedArticles-Extension',
-	'author' => 'Roland Unger/Hans Musil',
+	'author' => array( 'Roland Unger', 'Hans Musil' ),
 	'descriptionmsg' => 'ra-desc'
 );
 
@@ -128,7 +129,7 @@ class RelatedArticles {
 		</div>
 		</div>
 		<div id="p-lang" class="portal">
-				<h5><?php $skTemplate->msg( 'ra-RelatedArticles' ) ?></h5>
+				<h5><?php $skTemplate->msg( 'relatedarticles-sidebartext' ) ?></h5>
 				<div class="body">
 						<ul>
 <?php