Merge r1836469, r1836154 from trunk:

* config.layout: Allow configure --localstatedir to over-ride /var/www 
  location in Fedora layout.


* Makefile.in (install-suexec*): Fix make -jN install.

Submitted by: Arkadiusz Miskiewicz <arekm maven.pl>

Submitted by: jorton
Reviewed by: jorton, covener, jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1837645 13f79535-47bb-0310-9956-ffa450edef68