I bought a MacBook Pro 9,1 (Mid 2012, 15inch, NOT retina). Can anyone tell me how to install Ubuntu 12.04 on it? I already have Windows installed via BootCamp. Also, where to install drivers for Ubuntu and all? This link https://help.ubuntu.com/community/MacBookPro has nothing for 9,1 so please help me. If I have to remove BootCamp and reinstall…