Bug 865641 - Very first waitForPageLoad() can fail if the startup page takes too long to load. r=dhunt
Bug 893026 - Python framework wrongly assumes to restart the application while it has already been done by the extension. r=ctalbert
Bug 887315 - Unskipped window_focus.js mutt test for linux & skipped for older versions than 25. r=hskupin
Bug 885124 - Individual checks for the persisted object. r=dhunt