some cleaning
some cleaning

rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14,rcgilbert/csc344-wi14