accept command line args in baresshd.py
adding commandline args to UserSwitch in controlnet, examples of partial
hwintf.py: allow intf to be specified in cmd line
style in multitest
fixed print format in popenpoll
sshd.py: allow sshd args to be passed via commandline
adding first draft of tests for all examples, they need comments and clean up, some could be made more rebust
added comments to test_baresshd.py
cleaned up and commented test_bind.py; added one new test
minor test cleanup
cleaned up and commented test_controllers.py
cleaned up and commented test_controlnet.py
cleaned up and commented test_cpu.py
cleaned up and commented test_emptynet.py
cleaned up and commented test_hwintf.py
cleaned up and commented test_limit.py
cleaned up and commented test_linearbandwidth.py
cleaned up and commented test_multiping.py
cleaned up and commented test_multipoll.py
cleaned up and commented test_multitest.py