Adds bsdtar ISO9660 RAW HDD extraction support

This replaces the pre-existing loopback device implementation and
widens the support to a larger number of OSs.
Merge pull request #52 from trobert2/master

Removed static values from plugins tests
Added tests for windows configdrive module

Added unit tests for windows osconfigdrive module and also
removed an unused import from the specified file.
Replaces WMI physical diskw enum with API calls
Merge branch 'master' of https://github.com/cloudbase/cloudbase-init
Added tests for windows config drive

Added tests for the metadata config drive modules for windows and
modiffied os utils tests for windows to match latest commit.
Adds Windows licensing plugin

Adds support for performing an automated activation.
Logs license info always in licensing plugin
Merge pull request #53 from trobert2/added_windows_configdrive_tests

Added tests for windows configdrive module
Revert "Added tests for windows configdrive module"

This reverts commit 982ccaed39f5d33134a2da18edc11203d09f716d.
Merge pull request #54 from trobert2/latest_config_drive

Added tests for windows config drive