Added attributes for getdscresourcekit.rb recipe

- Added attributes for getdscresourcekit.rb recipe
- Updated attributes to use Wave 5 DSC
Matt, sorry for taking so long to get to this. Do we need 'dscResourceKitZipName' -- it seems like we could just use the same name for the target file, since it's really just a temporary location that will allow us to unzip the file.