New file name structure for the runtime and the CLI
per: https://github.com/dotnet/designs/issues/2
The renaming of assets, therefore the dotnet installation scripts must change to accommodate.
Trivial:
"Write-Host" should be "Write-Output"
These nuget packages are used to deliver the CLI payload to Visual Studio
setup authoring. They are pushed (by VSO build definitions) into an internal feed consumed by
Visual Studio.
