language: node_js
node_js:
  - "0.6"
  - "0.8"
  - "0.10"

language: node_js
node_js:
  - "0.8"
  - "0.10"

Stop testing on Node 0.6.
Stop testing on Node 0.6.

Istanbul, a dev dependency, uses util.deprecate, which doesn't work there.
