Update rake dependency to version 0.9.2.2
Update rake dependency to version 0.9.2.2

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