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
* defined on this element or its ancestors, and any style properties that
	 * this element supports.
	 * 
	 * @return a list of property definitions
	 */
	public List getPropertyDefns( )
	{
		List list = getDefn( ).getProperties( );
		DesignElement e = this;
		while ( e != null )
		{
			if ( e.userProperties != null )
				list.addAll( e.userProperties.values( ) );
			e = e.getExtendsElement( );
		}
		return list;
	}
	/**
	 * Returns the internal name of the element. This name matches the name of
	 * the definition for the element.
	 * 
	 * @return the internal element type name for this element
	 */
	public abstract String getElementName( );
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	public boolean equals( Object obj )