Fixes for #405 and #404
Fixed size cast of output_compare_to_pps_sel_PGM[]
Got PWMs (all 5) to work on chipKIT PI board
Fixed missing entry in output_compare_to_digital_pin_PGM[] in several MX1/MX2 Board_Data.c files.
Added support for all 6 serial ports on Microchip version of Fubarino SD. Tested, all 6 do work.