Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54939
Follow-up to r1489444:
Update description of UserDataHelper uses in documentation.
Corrected a typo s/to/too/.



git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1489610 13f79535-47bb-0310-9956-ffa450edef68
Refactor WAR deployment to make a per Context copyXML attribute possible

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1489633 13f79535-47bb-0310-9956-ffa450edef68