Merge pull request #443 from cdburkard/devel/cluster
use rcmd instead of quietRun when shutting down remote nodes
use ControlPersist ssh option to create a ControlMaster connection that will not die when a node dies
Disable shared SSH connections by default.
Note that we do still provide a default if you specifyControlPath=True
Rearrange init code slightly.
Fix problem of ssh'ing into "localhost" on a remote node.
standardize on localhost for local server's name
add findUser() to clean up user identification
adding sanity check for cluster edition
Cluster edition prototype: remote nodes and links.
We add a new experimental feature to allow Mininet to run acrossa cluster of machines. This is currently implemented via a setmix-in classes that provide remote nodes that are implementedvia a connection to a remote shell, and remote links which are...