Update travis-ci config.
Update travis-ci config.

AmitaiB/FontAwesomeIconFactory,paulz/FontAwesomeIconFactory,nschum/FontAwesomeIconFactory,AmitaiB/FontAwesomeIconFactory,nschum/FontAwesomeIconFactory,nschum/FontAwesomeIconFactory,jmoody/FontAwesomeIconFactory,paulz/FontAwesomeIconFactory,jmoody/FontAwesomeIconFactory,jmoody/FontAwesomeIconFactory,AmitaiB/FontAwesomeIconFactory,jmoody/FontAwesomeIconFactory,paulz/FontAwesomeIconFactory,nschum/FontAwesomeIconFactory,paulz/FontAwesomeIconFactory,AmitaiB/FontAwesomeIconFactory