A few changes in the examplescript, and renamed it.
A few changes in the examplescript, and renamed it.

juantejedavz/rfid,CapeSepias/rfid,miguelbalboa/rfid,webdevbrian/rfid,LaloHao/rfid,smallkid/rfid,tamchau2809/rfid,lpr0lpd/rfid,yaalsn/rfid,prikevs/rfid,Rotzbua/rfid,mirko314/rfid,Rotzbua/rfid,hramrach/rfid,irhastofa/rfid,northDacoder/rfid,sophiekovalevsky/rfid,r44947/rfid,1upon0/rfid,mangine/mraa_MFRC522