A few more details:
A patch like this to your repository allows you to trigger travis:
https://github.com/cscott/mw-ocg-bundler/commit/8565c79549e107ffa10fa817d00…
I think the missing piece from the CI team is to add the proper gerrit
remote in jenkins (
https://gerrit.wikimedia.org/r/#/c/173045/ and
https://gerrit.wikimedia.org/r/#/c/173046/2/bin/travis-set-env.sh ).
--scott