remove WPC serial port (Orkin debugger) emulation
git: ignore artifacts from Windows builds
proc: (cleanup) remove unused variable in procFullTroughDisablesFlippers()
bugfix: resize array in tms5110.c to address compiler warning in tms5110_process()
proc: address compiler errors in s11.c
doc: explain why it's OK to see array-bounds errors in draw_debug_contents()
build: some warnings shouldn't be promoted to errors