QmlProfiler: Show Javascript calls in events view.

Change-Id: I11d22ce1423384f879e30ff9573f4d7d799535b1
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
QmlProfiler: Show Javascript calls in timeline view

Change-Id: I781b95bdd9d6bfa12ec8f40f4197119ba51e194a
Reviewed-by: Kai Koehne <kai.koehne@digia.com>