Update web.xml to Web Application 2.3 DTD (Cocoon now use it).
Update web.xml to Web Application 2.3 DTD (Cocoon now use it).

git-svn-id: 36dcc065b18e9ace584b1c777eaeefb1d96b1ee8@106840 13f79535-47bb-0310-9956-ffa450edef68

apache/forrest,apache/forrest,apache/forrest,apache/forrest,apache/forrest,apache/forrest