WIP framework's popup storage/restore:

- Keep tracking of popup's window object and restore it when needed
- Implement a method to check an already opened popup and execute a method in the selected popup context
- Fix vcard import into opened compose windows not working

api/js/jsapi/egw_utils.js

@@ -270,6 +270,12 @@ egw.extend('utils', egw.MODULE_GLOBAL, function()
 		 */
 		storeWindow: function(appname, popup)
 		{
+			if (popup.opener) popup.opener.framework.popups_garbage_collector();
+			if (popup.opener && popup.opener.framework && egw.is_popup(popup)
+					&& typeof popup.opener.framework.popup_idx(popup) == 'undefined')
+			{
+				popup.opener.framework.popups.push(popup);
+			}
 			// Don't store if it has no name
 			if(!popup.name || ['_blank'].indexOf(popup.name) >= 0)
 			{