Bug 136045 the display name does not work
Description: the display name does not work Steps to reproduce: 1. new a datasource and a dataset 2. In the window 'Edit dataset'. click the tab 'Output columns' 3. set a display name on a column Actual result: The display name does not work, however, it is still the column name
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
{
	/**
	 * Rule interface for defining insertion rule
	 */
	abstract static interface InsertInLayoutRule
	{
		public boolean canInsert( );
		public Object getInsertPosition( );
		public void insert( Object object ) throws SemanticException;
	}
	/**
	 * 
	 * Rule for inserting label after inserting data set column
	 */
	static class LabelAddRule implements InsertInLayoutRule