added indicator for additional properties

this should fix issue 10

simpleexample2/core/src/main/java/simpleex/core/MetaData.java

@@ -278,4 +278,24 @@ public class MetaData {
       }
     }
   }
+  
+  /**
+   * Convenience method to check if the metadat contains custom properties
+   * that is other properties than the name and description
+   * @return true if there are any properties apart from name and description false otherwise 
+   */
+  public boolean hasCustomProperties() {
+    boolean result = false;
+    final Iterator<String> props = this.propertyNames();
+    if(props.hasNext()) {
+      while (props.hasNext()) {
+        final String propName = props.next();
+        if((propName!=NAME_PROPERTY)&&(propName!=DESCRIPTION_PROPERTY)) {
+          result = true;
+          break;
+        }
+      }
+    }
+    return result;
+  }
 }

simpleexample2/fxui/src/main/java/simpleex/ui/LatLongCellController.java

@@ -6,6 +6,8 @@ import java.util.Iterator;
 import javafx.geometry.Insets;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Region;
 import javafx.scene.layout.VBox;
@@ -83,9 +85,17 @@ public class LatLongCellController {
 	 */
 	protected void prepareView(boolean selected) {
 		this.hBox = new HBox();
+		this.hBox.setSpacing(3.0);
 		this.coordinatesLabel = new Label(this.latLong.toString());
-		coordinatesLabel.setPrefWidth(200.0);
+		coordinatesLabel.setPrefWidth(180.0);
 		this.hBox.getChildren().add(coordinatesLabel);
+		
+		if (this.latLong.hasMetaData()) {
+		  if(this.latLong.getMetaData().hasCustomProperties()) {
+		    this.hBox.getChildren().add(new ImageView(new Image(getClass().getResourceAsStream((selected?"i_selected.png":"i.png")))));  
+		  }
+		}
+
 		if(selected) {
 			this.editMetadataButton = new Button("...");
 			this.hBox.getChildren().add(editMetadataButton);