Unpin the dpkg version for Lucid
Unpin the dpkg version for Lucid

Lucid's version of dpkg is now at 1.15.5.6ubuntu4.7, which contains a
fix for CVE-2014-0471.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet