use winrm v2

[chris-rock]

This PR depends on the following PRs to be merged:

• Update winrm password key for winrm-v2 kitchen-inspec#94
• Use winrm v2 implementation train#122

[stevendanna]

This comment implies that the property we were trying to test was explicitly that the user doesn't need to supply the line ending; but the change to the test implies they now do have to provide the line ending.

[chris-rock]

Great point, let me double-check that

[stevendanna]

👍 An alternative to mutating the text that we get back would be to move the "indifferent to linespace ending" behavior into the matcher.

[chris-rock]

@stevendanna i tried that first, but other powershell methods like strip rely on response.stdout. Therefore I decided for that specific approach. Also VBScript somethings treats 2 newlines as one. With this approach we are always sure.