Bug fix for the map's "outside" property that wasn't handled properly.

Added support for the new "colorfilter" map property. Due to Java2D
having no correct color filter support, only the "blackXX" values can be
previwed. "bw" and "invert" cannot, the performance cost was simply way
too high.

hacked-libtiled/tiled/util/BasicTileCutter.java

@@ -64,7 +64,7 @@ public class BasicTileCutter implements TileCutter
         this.image = image;
     }
 
-    public Image getNextTile() {
+    public BufferedImage getNextTile() {
         if (nextY + tileHeight + tileMargin <= image.getHeight()) {
             BufferedImage tile =
                 image.getSubimage(nextX, nextY, tileWidth, tileHeight);