Finished boost converter and regulators footprint assignments.

Added SW_DPDT_Slide footprint. Finished updating footprints for all USB/Battery charger components.

Added Micro USB type B footprint

Set footprints for some components of battery charging circuit.

Added breakout pins for SWDIO and SWDCLK for test purposes.

Added main power switch and LCD power switch. Added GPIO breakout pins.

Updated LCD circuit schematic.

Added LCD with SPI interface to schematic.

Updated SWD interface headers

Updated Boost conv. components and moved 3.3V regulator.