- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Use procstat_getrlimit(3) for retrieving rlimit information instead of
direct sysctl calls.

MFC after: 1 month

Fix style.

MFC after: 3 days

After the recent changes there is no need in rlimit array any more.

Submitted by: Andrey Zonov <andrey at zonov.org>
MFC after: 1 week

Make procstat -l to work with the new version of kern.proc.rlimit.

Submitted by: Andrey Zonov <andrey at zonov.org>
MFC after: 2 weeks

Make procstat -l output similar to the output of limits(1).

Suggested by: jhb
MFC after: 1 week

usr.bin/procstat

Add -l flag to display resource limits.

PR: bin/161257
Reviewed by: kib
MFC after: 2 weeks