group_vars/all/all: add cms_site - used for cvmfs
group_vars/all/all: add cms_site - used for cvmfs

 - to define a variable that points to the site in CMS's cvmfs tree

CSC-IT-Center-for-Science/fgci-ansible,mantti/fgci-tut,mantti/fgci-tut,mantti/fgci-tut,A1ve5/fgci-ansible