Changed to FTDI chip, cut space from development area

An FTDI chip was added to provide the USB communications rather than the PIC
A jumper is available to choose if the USB datalines go to the FTDI chip or the
PIC.

The development area was reduced to provide space for the FTDI chip.

Signed-off-by: Kolijn Wolfaardt <kolijn.wolfaardt@gmail.com>