Remove most of the annoying "re ap_context_t mplement" mis-replacements

by what I think is their real meaning. Guys, I didn't verify all of this,
please have a close look at my "fixes". Thanks.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@83970 13f79535-47bb-0310-9956-ffa450edef68