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
* name or a user-defined property name. However, if the name is not valid,
	 * the method will simply return a null property value.
	 * <p>
	 * The search won't search up the inheritance hierarchy if the property is
	 * defined to not inherit.
	 * <p>
	 * Part of: Property value system.
	 * 
	 * @param module
	 *            the module
	 * @param propName
	 *            name of the property to get. Can be a system-defined or
	 *            user-defined property name. Must be of the correct case.
	 * @return The property value, or null if no value is set.
	 */
	public Object getProperty( Module module, String propName )
	{
		ElementPropertyDefn prop = getPropertyDefn( propName );
		
		if ( prop == null )
			return null;
		return getProperty( module, prop );
	}
	/**
	 * Returns the property value from this element's parent, or any ancestor.
	 * The value is only from local properties, or local style of its ancestor.
	 * 
	 * @param module
	 *            module
	 * @param prop