* Updated stdenv-linux:
- The bootstrap tools are no longer statically linked (except for
binaries in the Nixpkgs tree used to download and unpack the
bootstrap tools).
- x86_64 uses the same static binaries as i686. This makes the
Nixpkgs tree a bit smaller.
- Use the Linux 2.6.28 headers.
svn path=/nixpkgs/branches/stdenv-updates/; revision=13946