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/StyledElement.java
* the cloned one.
	 * 
	 * @return Object the cloned styled element.
	 * 
	 * 
	 * @see java.lang.Object#clone()
	 */
	public Object clone( ) throws CloneNotSupportedException
	{
		StyledElement element = (StyledElement) super.clone( );
		if ( style != null )
			element.style = new ElementRefValue( null, style.getName( ) );
		else
			element.style = null;
		return element;
	}
	/**
	 * Gets the style which defined on this element itself. This method will try
	 * to resolve the style.
	 * 
	 * @param module
	 *            the module
	 * @return style element. Null if the style is not defined on this element
	 *         itself.
	 * 
	 */
	public StyleElement getStyle( Module module )
	{
		if ( style == null )
			return null;