Travis: language: generic (#1482)
Travis: language: generic (#1482)

Using "none" still appears to (conditionally) call "bundle install"
(install.bundler step).
euclio/neomake,neomake/neomake,nerdrew/neomake,codeinabox/neomake,neomake/neomake,nerdrew/neomake,euclio/neomake