Adjusted footprints and pins to reflect current design

-Remove JTAG from Schematic -Remove Picolock for display from Schematic +Add 6 position Picolock for antenna to schematic +Add 6 pin pi debug connector to schematic *Change PCB stackup from Signal-3v-3v-Signal to Signal-3v-GND-Signal

Rebased from rev 0.7.2 If anything is missing, dont hesitate to text me