coreutils security, bug fix, and enhancement update

[8.4-31.0.1]

• clean up empty file if cp is failed [Orabug 15973168]

[8.4-31]

• adjust the fix for the du bindmounts failure(#836557)

• Mon Oct 07 2013 Ondrej Oprala

• Fix su retvals (once again)

[8.4-29]

• CVE-2013-0221 CVE-2013-0223 CVE-2013-0222 - fix various
  segmentation faults in sort, uniq and join(#1015019)

[8.4-28]

• su now returns correct retvals for all cases

[8.4-27]

• tail -F now disables inotify when encountering a symlink.
  Polling is used instead.

• Mon Sep 16 2013 Ondrej Oprala

• df now properly dereferences long FS names(again)

[8.4-25]

• pr -n no longer crashes when passed values >= 32.
  Also line numbers are consistently padded with spaces,
  rather than with zeros for certain widths. (#997537)

[8.4-24]

• fix su return codes when NOT killed by a signal (#996190)

[8.4-23]

• fix several newly introduced defects found by Coverity
  check

[8.4-22]

• wait for su child to prevent errorneous execution of some
  commands (#749679)
• correct return values after signal termination (#889531)
  and propagation of child core dump info (#747592)
• dd now accepts ‘status=none’ to suppress all
  informational output(#965654)
• cut --output-delimiter option was ignored for multibyte
  locales (#867984)
• remove redundant setpwent() and setgrent () syscalls
  from stat -U/-G to improve NIS performance (#911206)
• date: deal correctly with invalid input with special
  characters (#960160)
• dd: provide support for the conv=sparse (#908980)
• su/runuser: clarify which envvars are preserved/initialized
  in -p/-m and -l help/man documentation (#967623)
• du: properly detect bindmounts (#836557)
• df: fix alignment of columns (#842040)
• id,groups: fix correct group printing (#816708)
• mv : replace empty directories in cross file
  system move (#980061)

[8.4-21]

• fix parsing of field regression in sort command
  (introduced between RHEL5 and RHEL6 upstream) (#956143)

[8.4-20]

• revert to polling for unknown filesystems, update
  known fs for tail and stat based on coreutils-8.21 (#827199)