DataBrowser : fix bug on Remove Item from DisplayManager and update the User...

DataBrowser : fix bug on Remove Item from DisplayManager and update the User Manual see ICACTRL-159 and EXPDATA-486 

src/main/java/org/cdma/gui/databrowser/DataBrowserController.java

@@ -603,12 +603,17 @@ public class DataBrowserController implements IAbstractController {
     }
 
     public void closeItem(final IKey itemKey) {
+        //System.out.println("closeItem="+ itemKey);
         Item item = items.get(itemKey);
         if (item != null) {
-            deselectItem(itemKey);
-            Item itemRemoved = items.remove(itemKey);
-            refreshOpenedItemsList();
-            fireItemClosed(itemRemoved);
+            List<IKey> sources = openedSourcesForItem.get(itemKey);
+            List<IKey> cpSources = new ArrayList<IKey>(sources);
+            if (cpSources != null) {
+                for (IKey sourceKey : cpSources) {
+                    closeItem(sourceKey, itemKey);
+                }
+                cpSources.clear();
+            }
         }
     }