LU-5170 lfs: Standardize error messages in lfs_mv()

Error messages in lfs_mv() are updated to a standard format.
Messages are prefixed with the name of the utility and the command
that caused the error.  User-provided values are delimited with
single quotes.

Test-Parameters: trivial
Signed-off-by: Steve Guminski <stephenx.guminski@intel.com>
Change-Id: Id3d276024a2dcd1ca9169123f9d9193a846d7c85
Reviewed-on: https://review.whamcloud.com/28239
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Nunez <james.a.nunez@intel.com>