Ensure that instance creation works without root volumes

Some instances do not have a root volume. In such cases, if we have
del_root_volume_on_terminate enabled, salt-cloud will fail. Ideally
it should ignore this setting
Merge pull request #856 from mahendra/ignore

Ensure that instance creation works without root volumes
Beat the deploy_windows() function into submission
Merge pull request #857 from techhat/saltify

Beat the deploy_windows() function into submission
Fixing typos introduced in windows beating
Merge pull request #858 from techhat/saltify

Fixing typos introduced in windows beating
Fix cloudstack driver to handle self-signed certs, unsecure connection and better handling of keypairs and network_id
Merge pull request #859 from runseb/develop

Fix cloudstack driver to handle self-signed certs, unsecure connection a...
Adding docs for spinning up Windows instances
Finish up Windows support for EC2
Finish up Windows support for Saltify
Finish up Windows support for openstack
Finish up Windows support for softlayer
Adding Windows support for Digital Ocean
Adding Windows support for cloudstack
Adding Windows support for gogrid
Adding Windows support for ibmsce
Adding Windows support for Joyent
Adding Windows support for legacy AWS driver
Adding Windows support for linode (just in case they ever start supporting it)