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
* @return The property value, or null if no value is set.
	 */
	public Object getPropertyFromSelector( Module module,
			ElementPropertyDefn prop, String selector )
	{
		assert module != null;
		if ( selector == null )
			return null;
		
		StyleElement style = module.findStyle( selector );
		if ( style != null )
		{
			return style.getLocalProperty( module, prop );
		}
		return null;
	}
	/**
	 * Returns the property value which is related to element selector. It is
	 * from the selector style.
	 * 
	 * @param module
	 *            the module
	 * @param prop
	 *            the definition of property
	 * @return the property value, or null if no value is set.
	 */
	protected Object getPropertyFromSelfSelector( Module module,
			ElementPropertyDefn prop )
	{
		String selector = ( (ElementDefn) getDefn( ) ).getSelector( );