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 final boolean isVirtualElement( )
	{
		return baseId != NO_BASE_ID;
	}
	/**
	 * Copied the structure from the parent element to the element itself. Local
	 * properties of the contents will all be cleared.Please note that the
	 * containment relationship is kept while property values of the content
	 * elements are not copied.
	 * 
	 * @param module
	 *            the module
	 * 
	 * @return <code>true</code> if the refresh action is successful.
	 *         <code>false</code> othersize.
	 * 
	 */
	public boolean refreshStructureFromParent( Module module )
	{
		DesignElement parent = getExtendsElement( );
		if ( parent == null )
			return false;
		
		return ModelUtil.duplicateStructure( parent, this );
	}
	/**
	 * Resolve and returns the virtual parent element. If the element is not
	 * virtual element, <code>null</code> will be returned. Otherwise, find
	 * and returns the virtual parent using the <code>baseId</code>.