This change adds an Azure driver.
Supports:
* Public IPv4 address per VM
* Private IPv6 address per VM (optional, and not useful yet)
* Standard Flavors
* Resource Tagging (for billing / cleanup)
Change-Id: Ief0f8574832df69db472d8704ea3710bc6ca5c59
Co-authored-by: Tristan Cacqueray <tdecacqu@redhat.com>
Co-authored-by: Tobias Henkel <tobias.henkel@bmw.de>
Signed-off-by: Graham Hayes <gr@ham.ie>