Merge pull request #14 from RsrchBoy/topic/precise-dpkging

Prefer 'sudo' group when it exists; alow either git or git-core to satisfy us
puppet-git-receiver (1.5.0-1.1) UNRELEASED; urgency=low
puppet-git-receiver (1.5.0-1.1~10.04~ppa1) lucid; urgency=low