Disable Travis CI `fast_finish`.
Disable Travis CI `fast_finish`.

Fast finish triggers multiple Slack notification and floods our OSS slack room,
and it is a known bug for a while.

Reference: travis-ci/travis-ci/issues/1696

rubyrider/devise,Qwiklabs/devise,rubyrider/devise,ngpestelos/devise,stanhu/devise,fjg/devise,Qwiklabs/devise,plataformatec/devise,fjg/devise,stanhu/devise,plataformatec/devise,rubyrider/devise,ngpestelos/devise