sync w/ current event bug-fixes

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1451614 13f79535-47bb-0310-9956-ffa450edef68
streamline TZ check

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1451615 13f79535-47bb-0310-9956-ffa450edef68
1st phase of moving into httpd "core"

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1451616 13f79535-47bb-0310-9956-ffa450edef68
sync

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1451617 13f79535-47bb-0310-9956-ffa450edef68