CONNECT now works!!! Woohoo!!!

the poll() loop was overhauled - many of the reads, writes and selects
were happening on the wrong sockets.
PR:
Obtained from:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88767 13f79535-47bb-0310-9956-ffa450edef68