added nimbus installation script
updated script

Upon further review I have decided that this script is not in need
of setting configuration values. This is becuase the probes are
preconfigured in the package we are deploying.

Also updated [ ] to [[ ]]
Merge pull request #25 from cloudnull/nimbus

added nimbus installation script
Updated to connect to new hubs

We have 4 new hubs and want all of rpc on the new hubs. So datacenter
is hard coded to rpc