add CloudifyRelatedNode.__str__(), use self._related.get() for node_id and node_properties
Merge branch 'develop' of github.com:CloudifySource/cosmo-celery-common into develop
MockCloudifyContext.get_resource() - return provided data
Revert "add CloudifyRelatedNode.__str__(), use self._related.get() for node_id and node_properties"

This reverts commit 46697a90375603326df598ebee9095c78ba1af99.
Merge pull request #36 from Fewbytes/mock-resources-data-2

Mock resources data (take 2)