Fixed the test case class name.
Renamed the single-node config set to single-node-with-proto, to distinguish it from the simpler case of one node without a param for protocol.
Added configs for a system model with one node that allows you to specify both hostname and port.
Fixed the test case class name.
Added a config set that defines a system model with no nodes in it.
Added a script that tests the cases when valve is started with no localhost nodes are defined.
Added unittest-xml-reporting to the requirements file.