message: install rimraf globally on travis
diff: @@ -7,7 +7,7 @@ node_js:
  - "4"
  before_install:
  - sudo sysctl fs.inotify.max_user_watches=524288
  - - yarn global add greenkeeper-lockfile@1
  + - yarn global add greenkeeper-lockfile@1 rimraf
  before_script:
  - greenkeeper-lockfile-update
  after_script:
  