Backport of mod_version, and the required minor MMN bump for the

new version api.

Merged from revisions 103345, 106103, 103395, and 102405.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/mod_version_for_2.0.x@160789 13f79535-47bb-0310-9956-ffa450edef68