Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56208
Restore validateXml option in Jasper.
Motivation: It is mentioned in documentation and some users complained on removal of this option in Tomcat 7, as that broke their build scripts.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1579251 13f79535-47bb-0310-9956-ffa450edef68
Don't log to standard out in SSLValve.
Simplify: s/new String("xxx")/"xxx"/

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1579254 13f79535-47bb-0310-9956-ffa450edef68
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56010
Allow to use JspWriter.DEFAULT_BUFFER constant with JspFactory.getPageContext API.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1579258 13f79535-47bb-0310-9956-ffa450edef68
Improve processing of chuck size from chunked headers. Avoid overflow and use a bit shift instead of a multiplication as it is marginally faster.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1579262 13f79535-47bb-0310-9956-ffa450edef68