- o libudev enumerate
- add buses and drivers
- add /sys/block/ scanning crap
- use enumerate for "trigger"
- o libudev queue - interface for /dev/.udev/queue/ state
- use queue interface for "settle"
- o relace test/sys/ with current sysfs layout
- o use libudev device in udev_rules.c
- get rid of udevice, store rule matching state in rule iterator
- o rework rules to a match-action list, instead of a rules array