Release Notes for fmb v6_8_1

This file summarizes the changes since fmb v6_8

* blocksize fixes so tape-i/o on Linux works.

* xfsrestore fix for whole partition restores rather than individual
   files.

* Numerous changes to try to handle delayed exit of dd.

* cpio output is always run through dd, it isn't allowed to write
  to tape directly.

* temp file append/overwrite fix (caused amount written to tape
   calculation errors )  Symptom was  if the first archive was
   100k and the second 200k, it would report the first as 100k,
   but the second as 100200k etc.

* fmb_locate fixed to handle .Z and/or .gz suffixes on log files
  properly

* fmb_ocs change to not confuse ocs devices who are prefixes of one
	another

* fmb_ocs change to queue allocations of tape drives so as not to 
	fail due to ocs allcoating tape drives for cleaning

* fmb_set bugfix for all-backups-failing looking like a success.

* the product now depends on "gtools"

* documentation updates.