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
protected Object getPropertyFromVirtualParent( Module module,
			ElementPropertyDefn prop )
	{
		Object value = null;
		assert getExtendsElement( ) == null;
		DesignElement e = getVirtualParent( );
		while ( e != null )
		{
			Module currentRoot = e.getRoot( );
			assert currentRoot != null;
			
			value = e.getPropertyFromSelf( currentRoot, prop );
			if ( value != null )
				return value;
			e = e.getVirtualParent( );
		}
		return value;
	}
	/**
	 * Returns the property value from this element. The value is only from
	 * local properties or local style of this element.
	 * 
	 * @param module
	 *            the module
	 * @param prop
	 *            the definition of property
	 * @return the property value, or null if no value is set.
	 */
	protected Object getPropertyFromSelf( Module module,
			ElementPropertyDefn prop )