ASGARD-1316 - Account-specific Windows user data format

This allows Asgard for certain AWS accounts to use properties file formatted user data for all windows AMI deployments, without changing the behavior of Asgard managing other AWS accounts.
Triggering another pull request build
Merge pull request #581 from joesondow/ASGARD-1316-Account-specific-Windows-user-data

ASGARD-1316 - Account-specific Windows user data format