added a little doc

src/main/java/com/commafeed/backend/rome/OPML11Generator.java

@@ -4,6 +4,10 @@ import org.jdom.Element;
 
 import com.sun.syndication.feed.opml.Opml;
 
+/**
+ * Add missing title to the generated OPML
+ * 
+ */
 public class OPML11Generator extends com.sun.syndication.io.impl.OPML10Generator {
 
 	public OPML11Generator() {

src/main/java/com/commafeed/backend/rome/OPML11Parser.java

@@ -5,6 +5,10 @@ import org.jdom.Element;
 
 import com.sun.syndication.io.impl.OPML10Parser;
 
+/**
+ * Support for OPML 1.1 parsing
+ * 
+ */
 public class OPML11Parser extends OPML10Parser {
 
 	public OPML11Parser() {

src/main/java/com/commafeed/backend/rome/RSS090DescriptionConverter.java

@@ -6,6 +6,10 @@ import com.sun.syndication.feed.synd.SyndContentImpl;
 import com.sun.syndication.feed.synd.SyndEntry;
 import com.sun.syndication.feed.synd.impl.ConverterForRSS090;
 
+/**
+ * Support description tag for RSS09
+ *
+ */
 public class RSS090DescriptionConverter extends ConverterForRSS090 {
 
 	@Override

src/main/java/com/commafeed/backend/rome/RSS090DescriptionParser.java

@@ -6,6 +6,10 @@ import com.sun.syndication.feed.rss.Description;
 import com.sun.syndication.feed.rss.Item;
 import com.sun.syndication.io.impl.RSS090Parser;
 
+/**
+ * Support description tag for RSS09
+ *
+ */
 public class RSS090DescriptionParser extends RSS090Parser {
 
 	@Override