Fixed global explorers on OSX
`cat` and pipe diet
code diet on "memory"
Fix messaging variables not exported in type manifest
Fix typo in reference doc
+changes

Signed-off-by: Nico Schottelius <nico@freiheit.schottelius.org>
Merge branch 'osx-explorers' of https://github.com/mhutter/cdist
Merge remote-tracking branch 'telmich/master'
implement --before and --after meta parameters as alternative to require=""

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
remove legacy code snippet: singleton object_ids have been removed in master

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

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
missing import

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
usable output on unresolved objects error

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
even nicer output

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
use pformat or even nicer output

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
bugfix: make --before actually work

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
update tests

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
sanitize api for before/after relations

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