Add opam 0.9.4
Add opam 0.9.5
Delete 0.9.4
Add myself to maintainers, remove 0.9.4, set maintainer for this packge to me
Merge branch 'add-opam-0.9.5' of git://github.com/orbitz/nixpkgs

This adds the opam ocaml package, and also adds orbitz as a maintainer.
I've tested that it builds, nothing more.

Signed-off-by: Shea Levy <shea@shealevy.com>
ocamlPackages.opam: Fix indentation

Signed-off-by: Shea Levy <shea@shealevy.com>