Added tooltip to current/previous version

git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace@144475 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java

@@ -327,9 +327,9 @@ public class VersioningInfoContainer extends LayoutContainer {
 		          //String val = model.get(property);
 
 		          if(isCurrVersion != null && isCurrVersion){
-		        	  return "<span>Yes</span>";
+		        	  return "<span title='Current Version'>Yes</span>";
 		          }else{
-		        	  return "<span>No</span>";
+		        	  return "<span title='Previous Version'>No</span>";
 		          }
 			}
 	    };