test:
  override:
    - npm test
deployment:
  development:
    branch: dev
    heroku:
      appname: dev-clearjs
  production:
    branch: master
    heroku:
      appname: clearjs
machine:
  node:
    version: iojs-v1.3.0

test:
  override:
    - npm test
deployment:
  development:
    branch: dev
    heroku:
      appname: dev-clearjs
  production:
    branch: master
    heroku:
      appname: clearjs
machine:
  node:
    version: iojs-v2.4.0

Check how much more time is needed for newer iojs.
Check how much more time is needed for newer iojs.
