Generate separated orig and debian tarballs

- Quilt formatted packages need to have orig tarballs for their
workflow, so generate one in our working directory, from everything
excluding the debian folder. We also generate a tarball with our debian
metadata, since that's another one of the things that apt-get source

Change-Id: I48f69eea1dcf089d2d6ed3728d02c4c99b7da590
1 file changed