add DEVTYPE

o handle spaces in SYMLINK+=, do not create multiple links

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

o add DVB variables to kernel, and drop shell script rule

o add watershed extra

o DEVTYPE for disks is set by the kernel, they will be removed from

the default rules

o "udevadm control" commands will only accept the --<command> syntax

o symlink names to udevadm will no longer be resolved to old command names

o remove "udevinfo -V"

o get distros to agree on a default set of rules