code: public void loadConfiguration() {
  		System.out.println("CONFIGURATION_DIR: " + CONFIGURATION_DIR);
  		File f = new File(CONFIGURATION_DIR);
  
  		if (f.isDirectory()) {
  			String[] files = f.list();
  			for (String s : files) {
  				if (s.endsWith(".json")) {
  					System.out.println("Registering: " + s.toLowerCase());
  					this.registerServiceConfiguration(s.split(".json")[0], s);
  				}
  			}
  		}
  	}
docs: Iterates the files at {@link #CONFIGURATION_DIR} and calls
  {@link #registerServiceConfiguration(String, String)} for each file found
  setting as the id of the service the file name