language: node_js
node_js:
    - "0.10"
    - "0.11"
    - "0.12"
    - "iojs"
before_script:
    - npm install
language: node_js
node_js:
    - "0.10"
    - "0.11"
    - "0.12"
before_script:
    - npm install

Drop io.js from Travis task list
Drop io.js from Travis task list