Additional satellite-populate tests and examples for nailgun entities #64

[chbrown13]

Added Create, Update, Assert, and Delete tests for nailgun entities where applicable and Makefile recipe to automatically run them.

abstract_compute_resource_docker.yaml abstract_compute_resource_libvirt.yaml activation_key.yaml architecture.yaml bookmark.yaml common_parameter.yaml config_group.yaml config_template.yaml content_view.yaml discovery_rule.yaml docker_compute_resource.yaml domain.yaml environment.yaml gpg_key.yaml host_collection.yaml host_group.yaml lifecycle_environment.yaml location.yaml media.yaml operating_system.yaml organization.yaml partition_table.yaml provisioning_template.yaml puppet_class.yaml repository.yaml role.yaml smart_variable.yaml subnet.yaml sync_plan.yaml user.yaml