Add QCOW2 build mechanism (#349)

export-noobs/00-release/00-run.sh

@@ -41,4 +41,8 @@ sed "${NOOBS_DIR}/os.json" -i -e "s|KERNEL|$(cat "${STAGE_WORK_DIR}/kernel_versi
 
 sed "${NOOBS_DIR}/release_notes.txt" -i -e "s|UNRELEASED|${IMG_DATE}|"
 
-cp -a "${NOOBS_DIR}" "${DEPLOY_DIR}/"
+if [ "${USE_QCOW2}" = "1" ]; then
+	mv "${NOOBS_DIR}" "${DEPLOY_DIR}/"
+else
+	cp -a "${NOOBS_DIR}" "${DEPLOY_DIR}/"
+fi