Added Osciliscope Captures

Added capture of osciliscope measured pulse width of a single bit on the Weigand. Added capture of manually cursor measured spacing between individual bits. Also default commented out #def KEYBOARD in rfid_reader.ino.
Delete RFID_Read_BitSpacing
Delete RFID_Read_PulseWidth
Merge pull request #4 from jconard3/master

Added O-scope captures