Extend UpdatableBoardsLibsFakeURLsHandler to handle real links

Author: facchinm

app/src/cc/arduino/UpdatableBoardsLibsFakeURLsHandler.java

@@ -34,6 +34,10 @@
 import javax.swing.event.HyperlinkEvent;
 import javax.swing.event.HyperlinkListener;
 import java.net.URL;
+import java.net.URI;
+import java.awt.Desktop;
+import java.io.IOException;
+import java.net.URISyntaxException;
 
 public class UpdatableBoardsLibsFakeURLsHandler implements HyperlinkListener {
 
@@ -71,6 +75,18 @@ public void openBoardLibManager(URL url) {
       return;
     }
 
+    if(Desktop.isDesktopSupported())
+    {
+      try {
+        Desktop.getDesktop().browse(url.toURI());
+        return;
+      } catch (IOException e) {
+        throw new IllegalArgumentException(url.getHost() + " is invalid");
+      } catch (URISyntaxException e) {
+        throw new IllegalArgumentException(url.getHost() + " is invalid");
+      }
+    }
+
     throw new IllegalArgumentException(url.getHost() + " is invalid");
 
   }