Fixed problem with widget uploader test harness on Tomcat

git-svn-id: https://svn.apache.org/repos/asf/wookie/trunk@1564725 13f79535-47bb-0310-9956-ffa450edef68
Changed header from "accepts" to "Accept"

git-svn-id: https://svn.apache.org/repos/asf/wookie/trunk@1564726 13f79535-47bb-0310-9956-ffa450edef68