Shows client uptime in about dialog (non updating) depends on I7089df5bd0c418562bf953b2ad16d832744c4953

Change-Id: Ia025cd58d65c341f156985efba46d638ad2553f1
Reviewed-on: http://gerrit.dmdirc.com/403
Reviewed-by: Chris Smith <chris@dmdirc.com>
Tested-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/dialogs/about/InfoPanel.java

 import com.dmdirc.ui.core.util.Info;
 import com.dmdirc.addons.ui_swing.SwingController;
 import com.dmdirc.addons.ui_swing.UIUtilities;
+import com.dmdirc.ui.messages.Formatter;
 
 
 import java.awt.Font;
 import java.nio.charset.Charset;
+
 import javax.swing.JEditorPane;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
-
 import javax.swing.UIManager;
 import javax.swing.text.html.HTMLDocument;
 import javax.swing.text.html.HTMLEditorKit;
+
 import net.miginfocom.layout.LayoutUtil;
 import net.miginfocom.swing.MigLayout;
 
                 "<b>Look and Feel: </b>" + SwingController.getLookAndFeel() + "<br>" +
                 "<b>MiG Layout version: </b>" + LayoutUtil.getVersion() + "<br>" +
                 "<b>Java Default charset: </b>" + Charset.defaultCharset().displayName() + "<br>" +
+                "<b>Client Uptime: </b>" + Formatter.formatDuration((int) Info.getUptime()/1000) + "<br>" +
                 "</html>");
         infoPane.setEditable(false);
         scrollPane.setViewportView(infoPane);