v1.6.9
chore(*): get rid of Bower in favor of Yarn aliases & checked-in packages
chore(travis): test on 2 latest Safari versions
chore(scripts): refactor travis scripts
chore(travis): clean up browserstack/saucelabs scripts
build(travis): gracefully shut down the sauce connect tunnel after the tests are done running
chore(ci): fix location of print logs from wait_for_browser_provider