* Sign Powershell scripts
* Rename PublishLocation to PublishTo, as requested by Nicole.
* Avoid running NuGet pack if we aren't going to publish
* Explain 'signing type'.
* Ensure the signed ps1s are in all standalone bundle forms.
* Move scripts so that they don't need to be moved again, and publish as part of github releases.
* typo
* Also fix paths in arch-independent-signing.signproj.
* Remove 'scripts' directory name before signing.
* Create staging directory.
* Reference parameters the right way.
* Attempt to reference parameters the right way again.
* Always make the nupkg even when test signing.
Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>