Fixed random data generator to stay within world boundaries
Fixed random data generator to stay within world boundaries

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