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
*         otherwise <code>false</code>.
	 */
	public final boolean canContain( Module module, int slotId,
			IElementDefn defn )
	{
		assert defn != null;
		boolean retValue = canContainInRom( slotId, defn );
		if ( !retValue )
			return false;
		
		
		if ( isRootIncludedByModule( ) )
			return false;
		if ( !canContainTemplateElement( module, slotId, defn ) )
			return false;
		
		
		if ( isVirtualElement( ) || getExtendsElement( ) != null )
			return false;
		
		DesignElement tmpContainer = this;
		while ( tmpContainer != null )
		{
			if ( tmpContainer instanceof ListingElement )
			{
				List errors = tmpContainer.checkContent( module, this, slotId,
						defn );
				return errors.isEmpty( );
			}
			tmpContainer = tmpContainer.getContainer( );