Import the rewrite valve in trunk, after fixing issues based on the feedback.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436354 13f79535-47bb-0310-9956-ffa450edef68
Update after package moves

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436356 13f79535-47bb-0310-9956-ffa450edef68
Text type

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436365 13f79535-47bb-0310-9956-ffa450edef68