Minor pedantry: Location of windows Key in autounattend.xml

- add a link to the location of the windows key for the 180 day trial license
- users should override this definition in their own templates - except if using the trial version
- reordered the userdata section for all to alphabetical primarily so it is possible to compare
unattended files more easily
'#' is not a valid comment in windows batch files
Merge pull request #595 from bdellegrazie/windows-key-fix

Windows key fix