Add centos 7
Add centos 7

someara/yum,autotraderuk/yum,mattray/yum,juliandunn/yum,GannettDigital/chef-yum,h4ck3rm1k3/yum,h4ck3rm1k3/yum,chef-cookbooks/yum,mattray/yum,GannettDigital/chef-yum,mrb/yum,h4ck3rm1k3/yum,chef-cookbooks/yum,someara/yum,GannettDigital/chef-yum,autotraderuk/yum,mattray/yum,hippolin/yum-cookbook,hippolin/yum-cookbook,juliandunn/yum,autotraderuk/yum,mrb/yum,mrb/yum,someara/yum,hippolin/yum-cookbook