+ 0install 2.6.2
Add conflicts corresponding to the inverse of depopt constraints for Cohttp and Lwt

Should fix ocaml/opam-repository#1863, among other users of Lwt
Merge branch 'master' of git://github.com/camlunity/opam-repository into camlunity-master
Merge branch 'depopt-fixes' into camlunity-master
Merge pull request #1865 from Chris00/master

oasis2opam: add an upper bound for oasis version
Merge pull request #1867 from avsm/camlunity-master

Lwt + 0install fixes
oasis2opam: add constraint oasis < "0.4.2"

Fixes https://github.com/ocaml/opam-repository/pull/1865#issuecomment-39663752