Set ocaml version.
Update inotify url.
Remove deprecated version of omake-mode.
This change implies omake-mode will only work on ocaml versions
4 and higher.
Merge branch 'master' of github.com:ocaml/opam-repository into inotify
Merge branch 'master' of github.com:seanmcl/opam-repository
Merge pull request #1627 from seanmcl/master

omake-mode + inotify url