commit useBBoxOfPolygons-v2.patch : Use the bbox of the polygon 
when splitting a large area, e.g. Europe, with options --num-tiles=x
and a polygon-file.

git-svn-id: http://svn.mkgmap.org.uk/splitter/trunk@415 838fabe5-b1a8-4b81-9896-7a84386980e9
keep also relations with type=associatedStreet and type=street
complete if --keep-complete is used.

git-svn-id: http://svn.mkgmap.org.uk/splitter/trunk@416 838fabe5-b1a8-4b81-9896-7a84386980e9