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
{
		ElementPropertyDefn prop = getPropertyDefn( propName );
		if ( prop == null )
			return null;
		Object value = getProperty( module, prop );
		if ( value == null )
			return null;
		return prop.getStringValue( module, value );
	}
	/**
	 * Returns the value of the property in a localize format. Formats dates and
	 * numbers in the form according to the current locale. Converts choices and
	 * colors to their localized display names. Returns the localized display
	 * name for an element reference, etc.
	 * 
	 * @param module
	 *            the module
	 * @param propName
	 *            the property name
	 * @return the localized display value of the property
	 */
	public String getDisplayProperty( Module module, String propName )
	{
		PropertyDefn prop = getPropertyDefn( propName );
		if ( prop == null )
			return null;
		return getDisplayProperty( module, prop );
	}
	/**
	 * Returns the value of the property in a localize format. Formats dates and