combined ALL MY PHOTOS!!!!!!!!!!!!!!!!!!!!

Seriously!!!!!!!!! I'm super mad I just updated OX 10.10.3 and it replaced iPhoto with "Photos".

I don't want this "Photos" thing!!!! it might be cool for editing BUT I WANT MY ORGANIZATION BACK!!!!!!!!!!!! I use Photoshop so I DON'T CARE ABOUT THE NEW EDIT THING!!!!!

I HAD SO MANY LIBRARIES!!!!!

HOW CAN I HAVE iPHOTO BACK??????????????????????

THANKS!!!!