Update the line-count standings.

Split lfs from ufs, part 1: cut and paste 15000 lines of ufs as "ulfs".

These are verbatim copies except that I've preserved the ufs rcsids
for reference. Also,
ufs/quota.h -> ulfs_quotacommon.h

Split lfs from ufs, part 1: cut and paste 15000 lines of ufs as "ulfs".

These are verbatim copies except that I've preserved the ufs rcsids
for reference. Also,
ufs/quota.h -> ulfs_quotacommon.h
ufs/ufs_quota.h -> ulfs_quota.h

Splitting lfs from ufs was ok'd by core some years ago. This is not
from my original tree, which became unmergeable after the several sets
of quota changes; I've done the work over again over the last couple
days.

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