Fix regression introduced with colors branch

[Ref. colors regression](https://github.com/jwarkentin/node-monkey/commit/0bc8402947150c5628d457b5f089234de6d85e30#diff-168726dbe96b3ce427e7fedce31bb0bcR105).

The server-side config. property never got updated to match the new name-scheme.
Therefore, when the client receives the data, it does not contain the necessary config. property to allow the client to colorize the log.