connect Travis to Sauce Labs to run at least one end-to-end smoke test #444

add Sauce Labs credentials (billing@codeforamerica.com) and start Sauce Connect (proxy)
Merge branch 'master' into add-first-integration-test
a simple smoke test using Protractor and Chromedriver #444
Travis: install grunt to be globally available #444
fix for commit 97dc48f
Merge pull request #460 from codeforamerica/add-first-integration-test

Add first integration test