updated box to bento/centos7 and added vagrant-cachier to Vagrantfile. Added template yum.conf that limits yum to ipv4
updated box to bento/centos7 and added vagrant-cachier to Vagrantfile. Added template yum.conf that limits yum to ipv4

fortunecookiezen/centos7_puppetclient4,fortunecookiezen/centos7_puppetclient4,fortunecookiezen/centos7_puppetclient4