tuntap.0.5: does not work with newer versions of cstruct
add lablgtk-1.5
Merge branch 'master' of https://github.com/OCamlPro/opam-repository
force ocaml >= 4.02.0
Merge pull request #2662 from planar/tuntap-fix-dep-version

tuntap.0.5: does not work with newer versions of cstruct
Merge pull request #2663 from zoggy/master

Add lablgtk-extras 1.5
restrict previous versions of lablgtk-extras to OCaml < 4.02.0