631813bb2d
for backward compat, they'll resond to the usual strings, too:
"off" -> 0
"min" -> 3
"med" -> 7
"hi" -> 11
"max"/"on" -> 14
all dimmable nodes have been renamed to bear the light value in their
names, and aliased.
the non-dimmable lights still respond as before
("off" or n < 4; "on" or n > 3)