(PE-2368) get-in-config can now recieve a default if the requested key is
missing
Refactored nREPL service to use get-in-config
(PE-2368) Added test for new get-in-config functionality
Merge pull request #90 from jmay-puppet/PE-2368/add-default-to-config-service-get-in

Add default to config service get in