@Override
    public Timer getTimer() {
        return timer;
    }
Initializes the LWJGL renderer and input.
@param first - Whether this is the first time we are initializing and we
need to create the renderer or not. Otherwise, we'll just reset the
renderer as needed.
jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglContext.java