Initial debianisation

This is immediately after `cabal-debian` has been run, no tweaking yet.
Whip the packaging into shape, fixing naming and various dependencies

This involved a lot of flailing read the contents of the commit for further details.
Build without profiling package, we don't configure it anyway
Explicitly specify the package format version

This is apparently a v1.0 package, because I don't have an upstream tarball
that's correctly named or anything.
Maybe that file isn't meant to be present, cabal-debian put it there
Move debian/ to pkg/debian/ as per sio's suggestion
Merge pull request #29 from anchor/barney-debianify

Add debian packaging metadata