modified:   KDTree/KDTree.java
	new file:   KDTree/KDTreeData.java
	modified:   KDTree/KDTreeNode.java
	new file:   KDTree/KDTreeRange.java
	new file:   KDTree/KDTreeWritable.java
	modified:   MapReduceTask/KDTreeIndex.java
	modified:   MapReduceTask/KDTreeMain.java
	new file:   MapReduceTask/KDTreeRangeQuery.java
	modified:   Shape/Rect.java
	new file:   Shape/RectRange.java
	new file:   debug/Debug.java
	new file:   quadIndex/Point.java
	new file:   quadIndex/Polygon.java
	new file:   quadIndex/Rectangle.java
	new file:   quadIndex/SpatialObj.java