Refactor RTree to simplify the searchDisk function given that all nodes have the same size on disk
Refactor RTree to simplify the searchDisk function given that all nodes have the same size on disk

aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop,aseldawy/spatialhadoop