Changed Centos 6.5 to the latest 6 and added 7
Changed Centos 6.5 to the latest 6 and added 7

Centos 6.5 is no longer in the Vagrant box repo

afklm/crowd,afklm/chef_crowd,afklm/crowd,afklm/chef_crowd,afklm/chef_crowd,afklm/crowd