code: public static JqmEngineOperations startEngine(String name, JqmEngineHandler handler)
      {
          JqmEngine e = new JqmEngine();
          e.start(name, handler);
          return e;
      }
docs: Creates and start an engine representing the node named as the given parameter.
  
  @param name
  name of the node, as present in the configuration (case sensitive)
  @param handler
  can be null. A set of callbacks hooked on different engine life cycle events.
  @return an object allowing to stop the engine.