function determineNewEndpoint(formEl) {
        if (formEl.getAttribute("action")) {
            self.newEndpoint = formEl.getAttribute("action");
        }
    }
Module that handles support for existing forms.

@param options Options passed from the integrator-supplied options related to form support.
@param startUpload Callback to invoke when files "stored" should be uploaded.
@param log Proxy for the logger
@constructor