added a temp widget icon

TravelPost/res/layout/travelpostwidget.xml

@@ -4,9 +4,9 @@
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
     >
-	<Button
+	<ImageButton
 	android:id="@+id/widgetbutton"
-	android:text="Post"
+	android:background="@drawable/sign_post_icon_mod"
 	android:layout_width="wrap_content"
 	android:layout_height="wrap_content"
 	/>