Fix build on AppVeyor by including the WDK

Apparently Microsoft has decided the ATL is a "Premium Feature" and doesn't
include it in the Express SKUs. Fortunately, the WDK includes it, and AppVeyor
added the SDK to their build machines.
Reenable Setup.exe in CIBuild
Move the DDK to the front of the line so we can make sure it works
Merge pull request #16 from Squirrel/fix-setup-cibuild

Add Setup.exe back to CIBuild