Provide a welcome file automatically.

git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/1.6@4479 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/src/com/google/gwt/user/tools/web.xmlsrc

diff --git a/user/src/com/google/gwt/user/tools/web.xmlsrc b/user/src/com/google/gwt/user/tools/web.xmlsrc
index 62ca7c8..28baff4 100644
--- a/user/src/com/google/gwt/user/tools/web.xmlsrc
+++ b/user/src/com/google/gwt/user/tools/web.xmlsrc
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <web-app>
 
+  <!-- Default page to serve -->
+  <welcome-file-list>
+    <welcome-file>@startupUrl</welcome-file>
+  </welcome-file-list>
+  
+  <!-- Servlets -->
   <servlet>
     <servlet-name>echoServlet</servlet-name>
     <servlet-class>@serverPackage.EchoServiceImpl</servlet-class>