updated hosts example file - clearer and [group:children]
updated hosts example file - clearer and [group:children]

 - if you want to have a group of groups you should use [group:children]
 - http://docs.ansible.com/ansible/intro_inventory.html#groups-of-groups-and-group-variables

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