APRize disabling nagle (setting TCP_NODELAY).

Note that several areas have not been tested as they apply to MPMs or APR
code that I can't test.

PR:
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86133 13f79535-47bb-0310-9956-ffa450edef68