- Add new cloud provider parameter: ssh_interface (akin to the EC2 module).
- GCEAddress handling with libcloud
  - Allow create,delete address in GCE
  - Allow creation of VM and LB with named fixed GCEAddress
Updated documentation for GCE:
  - Support for fixed address
  - New salt function for create_address, delete_address, show_address
Lint fixes
More lint fixes!
Merge pull request #18650 from bbeausej/develop

salt-cloud GCE : Support for addresses & internal IPs