renamed:    server/Makefile -> core/Makefile
renamed:    server/compare -> core/compare
renamed:    server/compare.cpp -> core/compare.cpp
renamed:    server/photos/image1.jpg -> core/photos/image1.jpg
renamed:    server/photos/image2.jpg -> core/photos/image2.jpg
renamed:    server/photos/image3.jpg -> core/photos/image3.jpg
renamed:    server/photos/image4.jpg -> core/photos/image4.jpg
renamed:    server/photos/image5.jpg -> core/photos/image5.jpg