(maint) hide folder creation from output
(maint) formatting
(infra) deprecation message for installmissing
(GH-379) Upgrade Nuget.exe to 2.8.2
(GH-493) Cleanup Chocolatey-Update

 - This really cleans up chocolatey update, making it a thin wrapper for
   Chocolatey-Version and Chocolatey-NuGet.
v0.9.8.24-rc1
(GH-493) First set of specs for update