Commits to allow most roles to function on os_family == debian (tested on ubuntu 14.04 LTS)

Fixed slurm config

please review

M2cvlbranch

ansible role to move homedirs for ec2-user to /localhome. The userdata script doesn't work on certain configs of cloud-init

M2cvlbranch

Revert "add roles"

add roles

fix up etcHosts role so it can find the file makehosts.py

when creating test cluster, we can create the filesystem, but it needs the paths to export even if they are empty

clean up