Finalized configuration processing cleanup

All parts of the configuration processing are now in their own functions.
This allows new objects to be created after MaxScale has started.

server/include/maxconfig.h

@@ -153,6 +153,6 @@ void config_enable_feedback_task(void);
 void config_disable_feedback_task(void);
 unsigned long  config_get_gateway_id(void);
 GATEWAY_CONF* config_get_global_options();
-bool isInternalService(const char *router);
+bool is_internal_service(const char *router);
 char* config_clean_string_list(char* str);
 #endif