chore(test): Test on node.js v0.10, v0.12 and the latest io.js
chore(test): Test on node.js v0.10, v0.12 and the latest io.js

mozilla/fxa-auth-db-server,eoger/fxa-auth-db-server,dannycoates/fxa-auth-db-server,chilts/fxa-auth-db-server