Added messaging support for __jail type

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

Included MESSAGES section
new type __yum_repo to manage yum repositories

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
++changes

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
rename parameter repo_uri to uri as requested by nico
rename parameter service_uri to uri as requested
Merge branch 'bugfix_issue_327' of https://github.com/dheule/cdist
ensure all files we create end with a single newline

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
CentOS support for __hostname

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
Bugfix to auto import pgp keys for new repos, so we can add repos with new keys
bugfix the list of interfaces
++releasedate

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
english
fix asciidoc
asciidoc syntax fix
whitespace
wording
wording
typo
wording