Merge pull request #6 from dsheets/graduate

graduate these packages into the central opam-repository
Merge pull request #7 from dsheets/unix

Unix Wrappers
Merge pull request #8 from dsheets/profuse

profuse
Merge pull request #9 from dsheets/unix

unix-fcntl is 4.01+ only as it knows about CLOEXEC
Merge pull request #10 from dsheets/ctypes

ctypes 0.3.0 git-backed dev head