Bug 190207 Integrate Aggregation builder with charts
Charts should be able to use aggregates in their databinding definition. The UI is missing the "Add Aggregation..." button in the chart databinding dialog.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
String[] columns = null;
		int[] columnWidth = null;
		CellEditor[] cellEditors;
		expressionCellEditor = new ExpressionCellEditor( table );
		columns = new String[]{
				null,
				COLUMN_NAME,
				COLUMN_DISPLAYNAME,
				COLUMN_DATATYPE,
				COLUMN_EXPRESSION,
				COLUMN_AGGREGATEON
		};
		columnWidth = new int[]{
				canSelect ? 25 : 20, 150, 150, 70, 150, 150,
		};
		groups = new String[groupList.size( ) + 1];
		groups[0] = ALL;
		for ( int i = 0; i < groupList.size( ); i++ )
		{
			groups[i + 1] = ( (GroupHandle) groupList.get( i ) ).getName( );
		}
		cellEditors = new CellEditor[]{
				null,
				new TextCellEditor( table ),
				new ComboBoxCellEditor( table, dataTypeDisplayNames ),
				expressionCellEditor,
				new ComboBoxCellEditor( table, groups, SWT.READ_ONLY ),
		};
		for ( int i = 0; i < columns.length; i++ )
		{