PM-1367 htar always returns success even if a file does not exist in the archive. we now check for destination files to make sure that they exist and readable. this for proper statisitics and bookkeeping in pegasus-transfer.
PM-1367 htar always returns success even if a file does not exist in
the archive. we now check for destination files to make sure that they
exist and readable. this for proper statisitics and bookkeeping in pegasus-transfer.

pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus