Lazily start registration thread on first entry registration.  See CP-1646, CP-2591.
Lazily start registration thread on first entry registration.  See CP-1646, CP-2591.

git-svn-id: 7938b9a47192f562a30bc1d60d71b5a3b9844587@10387 bc291798-7d79-44a5-a816-fbf4f7d05ffa

johnmartirano/cg_services