Add @since tags where known, and do a quick coding standards sweep

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31023 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/metadata/PdfBoxMetadataExtracter.java

@@ -56,7 +56,8 @@ public class PdfBoxMetadataExtracter extends TikaPoweredMetadataExtracter
     }
     
     @Override
-    protected Parser getParser() {
+    protected Parser getParser() 
+    {
        return new PDFParser();
     }
 }