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
oldStyle.dropClient( this );
		if ( newStyle != null )
		{
			if ( style == null )
				style = new ElementRefValue( null, newStyle );
			else
				style.resolve( newStyle );
			newStyle.addClient( this, STYLE_PROP );
		}
		else
			style = null;
	}
	/**
	 * Sets the shared style by name. If null, the style is cleared. Use this
	 * form to represent an "unresolved" style: a reference to an undefined
	 * style, or a forward reference while parsing a design file.
	 * 
	 * @param theName
	 *            the style name
	 */
	public void setStyleName( String theName )
	{
		if ( style == null && theName == null )
			return;
		setStyle( null );
		assert style == null;
		style = new ElementRefValue( null, theName );
	}
	/**
	 * Returns the value of an intrinsic property.If the property name is