I seem to be in copyright header for this, so add myself to Authors list
Increase test matrix to OPAM 1.2.0 as well
Add a local `opam` file for supporting the OPAM 1.2.0 workflow
remove an OPAM 1.0-ism (`opam config -env` -> `opam config env`)
Travis: Also test with OCaml 4.02.1
Merge pull request #13 from avsm/master

Release 2.0.0