case 614.
Allow SFTP quote commands chmod, chown, chgrp to set a value of 0.

the default port numbers, allowing more than one test suite to run
simultaneously on the same host.

would get from a torture test.

Wait for child processes to die to avoid creating zombies.

to guarantee against it ever being valid.

autobuild logs scanner.

directly to ftpserver.cmd and removing unneeded empty sections.

of a new host on the net with the same silly domain the test was using
for a host which was supposed not to exist.

the testsuite to count them as errors of the same kind

three additional files once that we have already open()ed the
big bunch of file descriptors.

SAFETY_MARGIN additional files once that we have already open()ed
the big bunch of file descriptors.

open file limit.  In this case the test is skipped with a
message showing this limitation when the number of open files
needed for the test is greater than 256.

and avoid using ! as last char of line.