added <link> tag for iPad home screen icon support

java/com.sap.sailing.gwt.ui/Home.html

@@ -13,7 +13,7 @@
     <!-- Consider inlining CSS to reduce the number of requested files -->
     <!--                                                               -->
 	<link rel="shortcut icon" type="image/x-icon" href="images/sap.ico" />
-
+	<link href='images/sap-sailing-app-icon.png' rel='apple-touch-icon'>
 
     <!--                                           -->
     <!-- Any title is fine                         -->