Updated the Mifare Classic Value Block example
Adding image for RFID-RC522 module
Adding image for Uno with RFID-RC522
Adding RFID-RC522 Pin Layout image
Merge pull request #53 from mdxs/upd_mifare_classic_value_block

Updated the Mifare Classic Value Block example
Merge pull request #54 from mdxs/add_fritzing_images

Added images for Fritzing diagram and part
Merge pull request #55 from mdxs/add_pinlayout_image

Adding RFID-RC522 Pin Layout image