K 10
svn:author
V 4
bapt
K 8
svn:date
V 27
2015-07-14T12:21:47.706511Z
K 7
svn:log
V 237
MFC: r285414, r285440, r285441, r285443

- allow to create users with uid 0
- fix check duplicates logic
- fix gid policy to be in sync with uid if possible

Reported by:	Jan Mikkelsen <janm@transactionware.com>
Approved by:	re (marius)

END