Update selenium-webdriver dependency to version 0.2.1
Update selenium-webdriver dependency to version 0.2.1

openeducation/travis-ci,fxposter/travis-ci,flores/travis-ci,fxposter/travis-ci,fxposter/travis-ci,flores/travis-ci,flores/travis-ci,openeducation/travis-ci,openeducation/travis-ci