Add proper support for portable/relocatable haste.
Bump version to 0.4.
Add Debian packaging data.
Add symlink info for Debian packaging.
Update copyright info. It's been 2014 for a while now.
Update Debian package info.
Add script to build a binary Haste release. Deb and plain tarball supported.
Enable choosing which packages to build in build-release.hs.
Don't build a Debian source tarball in build-release.hs.
Add Debian dependency on GHC.