Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56283
Add issue number for r1579176


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1579928 13f79535-47bb-0310-9956-ffa450edef68
Merged r1576288 from tomcat/trunk:
Add a work-around for XML documents (often TLDs) that only refer to JavaEE schemas by file name
Backport of markt's patch.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1579931 13f79535-47bb-0310-9956-ffa450edef68