Added svg support: generate HQ png files for HTML texts

Mage.Client/src/main/java/org/mage/plugins/card/CardPluginImpl.java

@@ -560,6 +560,7 @@ public class CardPluginImpl implements CardPlugin {
             public void windowClosing(WindowEvent e) {
                 g.getDownloader().dispose();
                 ManaSymbols.loadImages();
+                // TODO: check reload process after download (icons do not update)
             }
         });
         d.setLayout(new BorderLayout());