Bump 1.8.0 release date
This is the changelog for the Flux daemon; the changelog for the Helm
operator is in [./CHANGELOG-helmop.md](./CHANGELOG-helmop.md).
-## 1.8.0 (2018-10-24)
+## 1.8.0 (2018-10-25)
This release includes a change to how image registries are scanned for
metadata, which should reduce the amount of polling, while being
