Fix for #544
Merge pull request #551 from rhendric/master

Fix for #544
Bumping Node.js version in Travis config

Looked like this might be the cause of recent build failures
Merge pull request #552 from rhendric/master

Bumping Node.js version in Travis config
Merge remote-tracking branch 'livescript/master'

* livescript/master:
  Bumping Node.js version in Travis config
  Fix for #544