add ojs-base 0.2.0
add stog 0.14.0
Merge branch 'master' of https://github.com/OCamlPro/opam-repository
Merge branch 'master' of https://github.com/OCamlPro/opam-repository
Merge pull request #2948 from zoggy/master

add ojs-base 0.2.0 and stog 0.14.0