[progressmeter.c]
The UCB copyright here is incorrect. This code did not originate
at UCB, it was written by Luke Mewburn. Updated the copyright at
the author's request. markus@ OK
[scp.c sftp.1 sftp.c sftp-client.c sftp-int.c progressmeter.c]
[progressmeter.h]
sftp progress meter support.
original diffs by Nils Nordman <nino at nforced dot com> via
markus@, merged to -current by me, djm@ ok.