Bug 122687 Libraries dont appear to allow background colors on tables to be used
If I create a table and set the background color to blue in my library and then drag the table from the library to the report the background color does not go with it.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
*/
	public void setProperty( ElementPropertyDefn prop, Object value )
	{
		assert prop != null;
		String propName = prop.getName( );
		
		
		if ( prop.isIntrinsic( ) )
		{
			setIntrinsicProperty( propName, value );
			return;
		}
		
		if ( prop.getTypeCode( ) == PropertyType.ELEMENT_REF_TYPE )
		{
			ElementRefValue oldRef = (ElementRefValue) propValues
					.get( propName );
			updateReference( oldRef, (ElementRefValue) value, prop );
		}
		
		if ( prop.getTypeCode( ) == PropertyType.STRUCT_REF_TYPE )
		{
			StructRefValue oldRef = (StructRefValue) propValues.get( propName );
			updateReference( oldRef, (StructRefValue) value, prop );
		}
		
		if ( value == null )
			propValues.remove( propName );
		else
			propValues.put( propName, value );