Enable both ruby and node tests

Closes #8
npm tests not really lol
A few more tweaks for node integration on Travis and Heroku
Telling rubocop to ignore any ruby files inside `node_modules`
Cleaning up setup bits for less work yes good
Whoops meant to ignore vendor/bundle, too
Merge remote-tracking branch 'origin/master' into ruby-and-node-tests

Conflicts:
	Gemfile
Removing duplicate require of 'uri'
Merge pull request #9 from globallinks/ruby-and-node-tests

Enable both ruby and node tests