GPIO lock support
Update runit
PBKDF to its own file, hash tokens too
New hardware uses BREAK to flip RFID LED
Log dump over remote control

Note that this now means we require libevent-2.1 (or later) for its
new evbuffer_add_buffer_reference call.  This requires patching
OpenWRT as well (see misc/OpenWRT-libevent2.diff for the moment).
New hardware, new runit script for controller
Improve AUTH infrastructure
Fix missing newlines