kmchart updates

[nscott@xxxxxxxxxx]

Changes committed to git://oss.sgi.com:8090/nathans/kmchart.git

 README                     |    2 --
 qa/chart-control-testcases |    1 -
 src/chart/GNUmakefile      |    2 +-
 src/chart/chart.cpp        |   26 ++++++++++++++++++++------
 src/chart/chart.h          |    4 +++-
 src/chart/chartdialog.cpp  |    1 +
 src/chart/curve.cpp        |   41 +++++++++++++++++++++++++++++++++++++++++
 src/chart/curve.h          |   33 +++++++++++++++++++++++++++++++++
 src/chart/kmchart.pro      |    8 ++++----
 9 files changed, 103 insertions(+), 15 deletions(-)

commit 6e372a031637b5bb9d480c76ac21383028c9290e
Author: Nathan Scott <nathans@xxxxxxxxxx>
Date:   Thu Oct 11 15:42:04 2007 +1000

    Correctly remove (and later possibly reinstate) plots from a chart.

commit 79991ff3ba0d08a818d7392e7a3c665f3db8990f
Author: Nathan Scott <nathans@xxxxxxxxxx>
Date:   Thu Oct 11 15:08:19 2007 +1000

    Fix a long-standing problem where metrics with unavailable values
    were treated as having the value zero, which was completely wrong
    of course and resulted in very confusing graphs at times.  Hooray!