doc, kick dround-is-new comment

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
doc, use $ syntax to indicate shell

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
doc, present dzone tool

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, close the zoneinfo objects after printing in dzone.c

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'tool/dzone'

* tool/dzone:
  minor, close the zoneinfo objects after printing in dzone.c
Merge branch 'doc/README'

* doc/README:
  doc, present dzone tool
  doc, use $ syntax to indicate shell
  doc, kick dround-is-new comment