CVS: CONTRIB-497 2/August/08
CONTRIB-497
*Added more visualizations
*Added selector UI Widget for flex/flare visualization
*Refactored some of flex actionscript code.
*Added defaults for selected group and items in visualizations.
*Improved removal of nodes and edges when an item or group is deselected in a legend.
*Fixed a memory leak realting to the removal and addtion of nodes.
*Added more options for and control of the flex/flare based visualization from the Moodle back end.