Remove (almost all) references to privsep. This removes several do..while
loops but does not change the indentation of the now-shallower loops,
which will be done in a separate whitespace-only commi

Remove (almost all) references to privsep. This removes several do..while
loops but does not change the indentation of the now-shallower loops,
which will be done in a separate whitespace-only commit to keep changes
of style and substance separate.

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Remove non-privsep test since disabling privsep is now deprecated.

Move the "stop sshd" code into its own helper function. Patch from
Zev Weiss <zev at bewilderbeest.net>, ok djm@

this test is a sorry mess of race conditions; add another sleep
to avoid a failure on slow machines (at least until I find a
better way)

remove any existing LoginGraceTime from sshd_config before adding
a specific one for the test back in

Use SUDO when cat'ing pid files and running the sshd log wrapper so that
it works with a restrictive umask and the pid files are not world readable.
Changes from -portable.

avoid nameservice lookups in regress test; ok dtucker@

Missing OBJ, from tim@. ok markus@

Use sudo when restarting daemon during test. ok markus@

Add regression test for LoginGraceTime; ok markus@