Automate cluster creation

This task is to automate the setup of a cluster for running the unit tests. The cluster will be created on the host running the test using VM's (vagrant or docker/boot2docker).

The cluster should contain:

• 4 nodes
  • 2 query node
  • 1 index node
  • 2 data nodes

• Other dependencies listed here:
  • NCBC-944
  • NCBC-945
  • NCBC-946
  • NCBC-947