Make the ntp smoke test runnable.
Merge pull request #2 from galthaus/pull-req-master-6d22d1c8c1

Make smoke tests executable. [1/6]
Merge branch 'master' into release/essex-hack/master
Have the NTP barclamp look servers up by name rather than by IP.
Merge pull request #4 from VictorLowther/pull-req-master-41a55954f9

Fix the DNS and NTP smoketests to work when the admin node has a public IP address [1/6]
Merge branch 'master' into release/essex-hack/master