It was 1.5 years since I have switched from the 15″ Macbook Pro for the more portable Macbook Air. But today, I am glad that I have made the return to the new 15″ MacBook Pro. At 2012 Apple’s WWDC keynote event, the morning’s major hardware announcement was a radically-revised 15″ MacBook Pro. The Retina MacBook Pro has been in high…