Bug 209106 BIRT - User properties defined in a library are not seen in properties view
In the attached library there is a grid container. The text control and the row of the table in the grid have two user properties each. We can see them in the library but not when we drag them in to a design. The property does not show up in the properties view
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
*            the module
	 * @param propName
	 *            The name of the property to validate.
	 * @param value
	 *            The value to validate
	 * @return The validated value.
	 * @throws PropertyNameException
	 *             If the property is undefined.
	 * @throws PropertyValueException
	 *             If the value is incorrect.
	 */
	public Object validatePropertyValue( Module module, String propName,
			Object value ) throws PropertyNameException, PropertyValueException
	{
		
		
		ElementPropertyDefn prop = getPropertyDefn( propName );
		if ( prop == null )
			throw new PropertyNameException( this, propName );
		
		try
		{
			return prop.validateValue( module, value );
		}
		catch ( PropertyValueException e )
		{
			
			e.setElement( this );
			e.setPropertyName( propName );
			throw e;