doc: Modified image.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Created new zone sync image.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Incorporated feedback.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Updated rewrite rule.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>