Sync with NetBSD-current 2014-09-01
Sync with NetBSD-current 2014-09-11
advfs: Import advfs_tru64_src_v1 (GPLv2)

Import pristine open-sourced AdvFS from Tru64.

This piece of software will be ported for NetBSD,
and then requested to sublicense by vendor (HP)
to a copyleft license.