Bug 148525 Display text is not found from library resource file
Steps to reproduce: 1.New a library, add a resource file "a.properties" 2.Add a label with text"abc", add a localization "k1=actuate" 3.New a report, extend the label 4.Preview the report Expected result: Report shows "actuate" in preview Actual result: Report shows "actuate" in layout, but "abc" in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
* 
	 * @param child
	 *            handle to the newly created element
	 * @param slotId
	 *            slot id in which the child item will be added.
	 * @throws ContentException
	 *             if the element is not allowed in the slot
	 * @throws NameException
	 *             if the element has a duplicate or illegal name
	 * 
	 */
	public void addElement( DesignElementHandle child, int slotId )
			throws ContentException, NameException
	{
		SlotHandle slotHandle = getSlot( slotId );
		if ( slotHandle != null )
			slotHandle.add( child );
	}
	/**
	 * Returns the methods defined on the element definition.
	 * 
	 * @return List contains the methods.
	 * 
	 */
	public List getMethods( )
	{
		return getElement( ).getDefn( ).getMethods( );
	}
	/**
	 * Sets a bunch of property values on the element. If this operation should