Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/MarkerIconDialog.java
try
			{
				String path = fileChooser.open( );
				if ( path != null )
				{
					if ( iconList.indexOf( path ) != -1 )
					{
						return;
					}
					path = new StringBuffer( "file:///" ).append( path ).toString( ); 
					preview( path );
					iconList.add( path );
					iconList.select( iconList.indexOf( path ) );
					addIconToPalette( );
				}
			}
			catch ( Throwable ex )
			{
				ex.printStackTrace( );
			}
			updateButton( );
		}
		else if ( e.widget.equals( btnRemove ) )
		{
			if ( iconList.getSelectionCount( ) != 0 )
			{
				iconPalette.getEntries( )
						.remove( iconList.getSelectionIndex( ) );
				previewCanvas.clear( );
				iconList.remove( iconList.getSelectionIndex( ) );