Merge "Fixed FillResponse.toString() to display list of datasets." into oc-mr1-dev

        // TODO: create a dump() method instead

        return new StringBuilder(

                "FillResponse : [mRequestId=" + mRequestId)

                .append(", datasets=").append(mDatasets)

                .append(", datasets=").append(mDatasets == null ? "N/A" : mDatasets.getList())

                .append(", saveInfo=").append(mSaveInfo)

                .append(", clientState=").append(mClientState != null)

                .append(", hasPresentation=").append(mPresentation != null)