Add more default values; don't choke if no settings in conf/service.yml for some env.  See CP-1252.
Add more default values; don't choke if no settings in conf/service.yml for some env.  See CP-1252.

git-svn-id: 14ed98f51d86aca5ef160995890af96dd299b116@6890 bc291798-7d79-44a5-a816-fbf4f7d05ffa

johnmartirano/cg_services