new type to manage mounts, either via fstab or manually

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
new type to manage a block of text in a file

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
Merge branch 'feature/__mount' of git://github.com/asteven/cdist
++changes(3.0.2)

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
add hints about ignored parameters

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