message: Link packages before starting Travis run
  Note that the final top-level entry does not end with `npm install`
  because Travis will run that for us.
diff: @@ -4,3 +4,10 @@ node_js: stable
  before_install:
  - npm config set spin false --global
  + - cd packages/graphql-language-service-types && npm install
  + - cd packages/graphql-language-service-config && npm link ../graphql-language-service-types && npm install
  + - cd packages/graphql-language-service-parser && npm link ../graphql-language-service-types && npm install
  + - cd packages/graphql-language-service-utils && npm link ../graphql-language-service-types && npm install
  + - cd packages/graphql-language-service-interface && npm link ../graphql-language-service-types && npm link ../graphql-language-service-config && npm link ../graphql-language-service-parser && npm link ../graphql-language-service-utils && npm install
  + - cd packages/graphql-language-service-server && npm link ../graphql-language-service-types && npm link ../graphql-language-service-config && npm link ../graphql-language-service-interface && npm link ../graphql-language-service-interface && npm install
  + - npm link && npm link packages/graphql-language-service-interface && npm link ../graphql-language-service-server && npm link ../graphql-language-service-utils
  