'List the nodes known to a particular driver;
There are two default nodes created at the beginning
>>> from libcloud.compute.drivers.dummy import DummyNodeDriver
>>> driver = DummyNodeDriver(0)
>>> node_list=driver.list_nodes()
>>> sorted([node.name for node in node_list ])
[\'dummy-1\', \'dummy-2\']
each item in the list returned is a node object from which you
can carry out any node actions you wish
>>> node_list[0].reboot()
True
As more nodes are added, list_nodes will return them
>>> node=driver.create_node()
>>> node.size.id
\'s1\'
>>> node.image.id
\'i2\'
>>> sorted([n.name for n in driver.list_nodes()])
[\'dummy-1\', \'dummy-2\', \'dummy-3\']
@inherits: :class:`NodeDriver.list_nodes`'

def list_nodes(self):

    return self.nl
