[Merge] lp:~psivaa/utah/server-tests-quantal into lp:~ubuntu-server-dev/utah/server-tests-quantal

[Parameswaran Sivatharman]

The preseed changes were made to accommodate the fact that utah at the moment uses bridge-networked vms. The runlist chages were part or utah latest requirements. Thanks
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https://code.launchpad.net/~psivaa/utah/server-tests-quantal/+merge/134145
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