CheckData - checks the validity of config data.

CheckDuplicateKeys - checks for duplicate entries in a JSON file.

FormatJSONSyntaxError generates a pretty printed json syntax error since golang doesn't provide an easy way to report the location of the error.

GetVersion - extracts the version information.

LoadConfig - loads json config from filename for the a given struct data.

NewConfig loads config from etcd client if provided, otherwise loads from a local filename.

SaveConfig - saves given configuration data into given file as JSON.

Config - generic config interface functions.

ConfigEncoding is a generic interface which marshal/unmarshal configuration.