By Alexandria Sage PARIS (Reuters) – An enormous mirrored cube inside the courtyard of the Louvre museum greeted guests to the Dior fashion show on Friday, providing a glittery reflection of the surrounding Renaissance walls constructed by King Francis I. The clash between the ultra modern and the old-world monarchy appeared to be precisely what Dior creative director Raf Simons was intending in his Spring/Summer 2015 ready-to-wear collection, which incorporated a time travel theme. …