language: node_js

notifications:
  email:
    on_success: never
    on_failure: change

node_js:
  - 0.12

git:
  depth: 10

language: node_js

notifications:
  email:
    on_success: never
    on_failure: change

node_js:
  - 0.12
  - 4.0

git:
  depth: 10

Add node 4 to Travis build.
Add node 4 to Travis build.
