Log Message:
Update to version 2.2.1.

Use USE_NEW_TOOLS.

Changes since last packaged version (2.2):
April 7, 2005
        - correct license headers to CPL in .cpp files
        - undo indentation cleanup to dynagraph .h files
        - fix bugs: 183, 247, 419, 615, 616, 625, 626, 627, 643,
                        646, 651, 658, 661, 664, 674
        - fix buffer overrun in Gvfilepath construction