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 user-defined property definition, if any.
	 */
	public UserPropertyDefn getLocalUserPropertyDefn( String propName )
	{
		if ( userProperties == null )
			return null;
		return (UserPropertyDefn) userProperties.get( propName );
	}
	/**
	 * Gets the definition of a user-defined property defined in this element or
	 * somewhere up the inheritance chain.
	 * <p>
	 * Part of: User-defined property system.
	 * 
	 * @param propName
	 *            The internal name of the user-defined property.
	 * @return The property definition, if found, null otherwise.
	 */
	public UserPropertyDefn getUserPropertyDefn( String propName )
	{
		DesignElement e = this;
		while ( e != null )
		{
			UserPropertyDefn p = e.getLocalUserPropertyDefn( propName );
			if ( p != null )
				return p;
			e = e.getExtendsElement( );
		}
		return null;
	}