Update multipart-post dependency to version 1.1.1
Update multipart-post dependency to version 1.1.1

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