Eliminate some compiler warnings.  Should be no behavioral modifications.
Add a new annotation, @ConfigReplacements, which exposes any replaced values from the config object.

This allows a configuration object to know more about how it was constructed, which may be useful to e.g. expose a name.
Allow @ConfigReplacements to get out a particular key from the Map.
Correct whitespace error.
Merge pull request #8 from stevenschlansker/get-overrides

Add a way to expose Map replaced values from Config beans