biocaml: add required version constraints
opium 0.5.0
Add gdal 0.0.1
Add OCaml version constraint
Bump OCaml version requirement (gdal)

This could be relaxed with some minor changes to the library.
Merge pull request #1792 from hcarty/master

Add gdal 0.0.1
Merge pull request #1791 from rgrinberg/opium_050

opium 0.5.0
Added version 1.9.0 of ocaml-efl.
Disabled fribidi in depexts script for ocaml-efl.
Removed packages not available.
For depexts ocaml-efl 1.9: renamed dependencies.
Depexts for ocaml-efl: Enable gstreamer and disable gstramer1.
Depexts for ocaml-efl 1.9: replace gstreamer by vlc.
Depext for ocaml-efl 1.9: add a flag to bypass a warning.
ocamlnet: Add a patch for ocaml >= 4.02
Merge pull request #1793 from axiles/master

Added version 1.9.0 of ocaml-efl.
camltc-0.9.0
add packet.0.2.1
add topology.0.1.0
add openflow.0.3.0