LiSELayout->ELiDELayout and a new way to handle touches
fix imports
adapt to changes in the LiSE API
change db filenames
@property->AliasProperty
docstring
use board properties for color
trying a new way of updating the pawn list
Now handling pawn-positioning on the arrow and not on the pawn.
fit in with new way of handling touch
reworked properties
redata takes care of what finalize used to.

Store scroll_x and scroll_y in the database.
better AliasPropertys
No real reason to pass the Rule object into the functions