MXS-1220: Add more information to the /maxscale/ resource

The /maxscale/ resource now has values for most of the configuration
parameters in the [maxscale] section as well as the version, commit and
uptime information.

include/maxscale/config.h

@@ -434,6 +434,6 @@ bool config_reload(void);
  * @param host Hostname of this server
  * @return JSON object representing the paths used by MaxScale
  */
-json_t* config_paths_to_json(const char* host);
+json_t* config_maxscale_to_json(const char* host);
 
 MXS_END_DECLS