[re6stnet] Include experimental components for re6st and babel

  Like slapos component, this is way to install re6stnet using buildout,
  if it is an experimental way to run it for now.
version up eggs.
version up libpng 1.2.52, 1.5.21, 1.6.15.
version up : libpng 1.6.16.
version up : hexagonit.recipe.download 1.7nxd003 to support .lz archives.
version up : wget 1.16.1.
version up : gettext 0.19.4.