Merge pull request #12 from AAROC/dev

merge dev into master
Merge pull request #13 from AAROC/dev

Dev
Update README.md
Update README.md
ADded UI playbook
Modified Dirac task in Dirac playbook
Added a config for the sagrid.ac.za VO
Added SA e-Science CA stuff. CRL is still incorrect
Moving to Ansible subdirectory
Moved Inventories to Ansible
Moved group vars to Ansible
1) moved README to Ansible
2) created more generic README
adding Puppet subdir
Merge pull request #14 from AAROC/master

Dev