We still need to call gpio load to load the hardware spi module.

again... This should fix FPD in v0.3.0 this time.

Reboot is required.
Merge branch 'stage' into v0.3.0
Fix issue with using /home/pi/fpp instead of /opt/fpp

BINDIR is now set inside ${BINDIR}/common so we
weren't actually exec-ing /home/pi/fpp/scripts/startup as
we should have been.
Merge branch 'stage' into v0.3.0