[product: zaphod][project: zaphod-v0.3]: Support querying VM for MAC (test.)

SYNOPSIS
[modified]m42/test/zaphodtestutil.py: Support querying of VM for MAC.

DETAILS
A command line interface to getting the VMs self reported MAC address.
This allows for tesing the zaphodtestutil function manually.
[product: zaphod][project: zaphod-v0.3]: Get login params for bridged VMs.

SYNOPSIS
[modified]m42/test/test_zaphod.py: Test login params for a bridged VM.
[modified]m42/zaphod.py: Get login params for a bridged VM.

DETAILS
Zaphod._login_parameters will work for VM with a bridged interface.
A key restriction is that the VM should be running before it's login
information can be retrieved. In addition the test itself assumes
it the suite is being run inside Milestone42 and makes some assumptions
about the topology of the network it is on.
[product: zaphod][project: zaphod-v0.3]: All tests includes test_cmd.py.

SYNOPSIS
[modified]m42/test/all_tests.py: Include test_cmd.py.

DETAILS
Include test_cmd.py in the complete suite.