Merge: contrib: use `config` instead of `opts`
authorJean Privat <jean@pryen.org>
Tue, 15 May 2018 11:16:38 +0000 (07:16 -0400)
committerJean Privat <jean@pryen.org>
Tue, 15 May 2018 11:16:38 +0000 (07:16 -0400)
Modified two contrib projects to make then use `config`:
* `github_merge`
* `nitiwiki`

They now automatically provide the `--stub-manpage` option from `config`.

Pull-Request: #2686


Trivial merge