to support this translation. MFC after: 2 weeks
1. ntfs_read*attr*() functions now accept uio structure to eliminate one data copying. 2. found and removed deadlock caused by 6 concurent ls -lR. 3. started implementation of nromal Unicode<->unix recodeing. Obtained from: NetBSD
Submitted by: Christos Zoulas <christos@zoulas.com>
Reviewed by: David O'Brien <obrien@NUXI.com>