Add controller type/id/manufacturer to node.
This wasn't previously set as the controller doesn't support the manufacturer specific command class so this information was never set.
It is however read as part of the controller information, so this change simply adds this information to the node class.
Merge pull request #828 from cdjackson/zwave-controller-info

Add controller type/id/manufacturer to node.
Merge branch 'master' into zwave-routing

* master:
  Add controller type/id/manufacturer to node. This wasn't previously set as the controller doesn't support the manufacturer specific command class so this information was never set. It is however read as part of the controller information, so this change simply adds this information to the node class.
Add function to save the node XML files after a heal