fix centos Vagrantfile
fix centos Vagrantfile

SirOibaf/karamel-chef,AlexHopsworks/karamel-chef_dela,SirOibaf/karamel-chef,AlexHopsworks/karamel-chef_dela,hopshadoop/karamel-chef,AlexHopsworks/karamel-chef_dela,SirOibaf/karamel-chef,SirOibaf/karamel-chef,AlexHopsworks/karamel-chef_dela,hopshadoop/karamel-chef,hopshadoop/karamel-chef,hopshadoop/karamel-chef