[tester] random test userdata for placeholder at instance creation
[tester] service commands fixed for exact file presence, dirs ran into err
[nova-agent-builder.sh] fixed shebang, wget made to not chech certs, no git pull
[tester][omni-install] separate added for CSH support(BSD), shebang fixed
[tester] ls_nova_agent added, uptime param changed, node patterns updated, destroy_nodes
[tester] fabfile added to get run all test actions desired