* docker_swarm: Update code to use AnsibleDockerSwarmClient instead of AnsibleDockerClient
* docker_swarm: Update check_if_swarm_node_is_down() with repetitive attempts to check node status to reflect original method implementation
* docker_swarm: Add information that `state: inspect` will be removed in future release
* docker_swarm: Fix sanity error
* docker_swarm: Check_mode conditional for failing during the swarm init
* docker_swarm: Small cleanup of a code
* docker_swarm: Moving the warning message before dispatching
* Commit to solve problems with Shippable