Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=57099
Ensure that semi-colons are not permitted in JSP import page directives.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1632310 13f79535-47bb-0310-9956-ffa450edef68