fix cursor not showing on boot
[console] add console-setup.service
don't enable rndis- and cdc-gadget.service
[bluetooth] longer timeout for hciattach

boot is very busy (thanks to systemd), so we need a really long timout.
[leds] don't turn green until later in boot

also turns red earlier in shutdown
use max_brightness value
add udev rules for setting permissions on LEDs, motors and sensors
release