When I have tried to access that URL over the past year I always found it in maintenance mode. But now it seems that they're almost ready to go live once again.
Could it be that the folks who originally organized it almost three years ago, will soon have a collective on-line precense once again? When I met with a group of young people from the original group in Havana in April they told me as much. If it is true, welcome back!
Here I will do a quick translation of the above announcement: