Gauge 0.0.3 (new formula)

[Gauge](http://getgauge.io) is test automation tool that lets you write rich simple test cases in the business language.
Failing test: http://bot.brew.sh/job/Homebrew%20Pull%20Requests/18520/version=yosemite/testReport/junit/brew-test-bot/yosemite/test_gauge/