Merge pull request #2 from SAGridOps/master

pulling edits to README from SAGrid Ops
minor update to quickstart
Merge pull request #4 from AAROC/dev

minor update to quickstart
Added a Scientific 6 yml file in the distro vars directory
Merge branch 'master' of https://github.com/AAROC/ansible-for-grid into AAROC-master