Fix prototype chain in XHR

Fix variable typo that caused Node::prototype to always return a null value.

Change-Id: I453685952a870c7b7ba4607a151d5b7834f553b9
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Implement iteration on QObject properties

Change-Id: I036e3d835f1c0375460acf142738123c1728279e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Small fix in tst_qqmlecmascript

EVALUATE_ERROR is supposed to return true if an exception was caught

Change-Id: I8371206e4a4e9d0c3d40ef09cf61d28ed19e40aa
Reviewed-by: Lars Knoll <lars.knoll@digia.com>