Added messaging support for __jail type

prints start/stop/create/delete/onboot to $__messages_out
Updated man page

Included MESSAGES section
ensure all files we create end with a single newline

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
bugfix the list of interfaces
english
fix asciidoc
asciidoc syntax fix
whitespace
wording
wording
typo
wording
clarify docu
expand "Dependencies" paragraph
crosslink html man pages

This is using sed --in-place, which might not be available in
all sed versions. If that's a concern, then please replace with
awk script or move to build-helper and use temporary files.

Also the regex is a heuristic. It works for our man pages here
but it might have false positive matches in the future.
wording
fix error
fix sed pattern

* don't add a href to the title tag (3rd line in the html document)
* replace multiple instances on a line
Merge pull request #335 from tpo/master

trivial docu fixes
++changes

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>