Bug 136241 [regression]Preview template in web viewer and pdf didn't get correct effect.
Description: Preview template items in web viewer and pdf didn't get correct effect. Steps to reproduce: 1. Create template items. 2. Preview in Web Viewer and pdf. Expected result: Same effect as in html. Actual result: In web viewer, see only blank box. In pdf, blank page.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
{
			StyleCommand styleCmd = new StyleCommand( module, content );
			styleCmd.setStyle( null );
		}
		
		if ( content.getExtendsElement( ) != null )
		{
			ExtendsCommand extendsCmd = new ExtendsCommand( module, content );
			extendsCmd.setExtendsName( null );
		}
		
		if ( content.getName( ) != null )
		{
			NameCommand nameCmd = new NameCommand( module, content );
			nameCmd.dropElement( );
		}
		
		List propertyBindings = module.getPropertyBindings( content );
		for ( int i = 0; i < propertyBindings.size( ); i++ )
		{
			PropertyBinding propBinding = (PropertyBinding) propertyBindings
					.get( i );
			ElementPropertyDefn propDefn = module
					.getPropertyDefn( Module.PROPERTY_BINDINGS_PROP );
			PropertyCommand propCommand = new PropertyCommand( module, module );
			propCommand.removeItem( new CachedMemberRef( propDefn ),
					propBinding );
		}
	}
}