Add dist_clean tasks and keep packages
Add dist_clean tasks and keep packages

Keep packages between builds, and add dist_clean to wipe out packages.

kayak/kayak,rainbowlee/kayak,modulexcite/kayak,modulexcite/kayak,kayak/kayak,kayak/kayak,rainbowlee/kayak,modulexcite/kayak,rainbowlee/kayak