httpd(8) by adding chroot(2) support, disabled by default as expected
with this module.
Otherwise no user would be able to run his tests without the effort of
setting up a chroot(2) environment with Perl and everything else, and
obviously also running them as root.
To enable chroot set the APACHE_TEST_CHROOT environment variable or
start the tests with `./t/TEST -chroot 1'.
I'm also taking over maintainership.
Tested by and looks good to landry@
