dev: msg: Remove obj_cli_warn
test: Improved unit tests (bnc#866434) (bnc#865024)
* Additional unit tests for known issues.

* Improves the usage of Pacemaker schemas while testing
  without access to a running cluster.

* Adds a set of schemas for testing purposes, used by the
  unit tests.
dev: Remove excessive debug output when patching the CIB
medium: xmlutil: order-independent XML comparison (bnc#866434)
Compare XML trees without caring about the ordering of
subtags in the tree. Fixes issue of otherwise valid
constructions getting rejected in validation because
order-independent tags got reordered in the XML -> CLI -> XML
validation roundtrip.