Rename most of the module formally known as mod_wombat to mod_lua conventions,...

Rename most of the module formally known as mod_wombat to mod_lua conventions, switching apw prefixes for apl.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@728506 13f79535-47bb-0310-9956-ffa450edef68