Aiko Library Relight UE4

Relight of Aiko Shinohara's awesome library scene in UE4 (https://gumroad.com/l/AikoShinohara). The only things I changed were a bunch of albedos to get them into friendlier ranges and some roughness tweaks to make it shine a bit more. Enormous shoutout to Luoshuang's GPU lightmass for being the best thing.