'Sets the node state to rebooting; in this dummy driver always
returns True as if the reboot had been successful.
>>> from libcloud.compute.drivers.dummy import DummyNodeDriver
>>> driver = DummyNodeDriver(0)
>>> node=driver.create_node()
>>> from libcloud.compute.types import NodeState
>>> node.state == NodeState.RUNNING
True
>>> node.state == NodeState.REBOOTING
False
>>> driver.reboot_node(node)
True
>>> node.state == NodeState.REBOOTING
True
Please note, dummy nodes never recover from the reboot.
@inherits: :class:`NodeDriver.reboot_node`'

def reboot_node(self, node):

    node.state = NodeState.REBOOTING
    return True
