Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56991
Deprecate the use of a request attribute to pass a <jsp-file> declaration to Jasper and prevent an infinite loop if this technique is used in conjunction with an include.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1626741 13f79535-47bb-0310-9956-ffa450edef68