Update mime-types dependency to version 1.17.2
Update mime-types dependency to version 1.17.2

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