Release solum-dashboard for Ussuri

RC1 release for solum-dashboard. Please +1 if things are
ready to go, or -1 if the team needs a little more
time. If so, please update this patch with the new
commit hash to use when ready.

If no response, this patch will be approved soon
after the April 23 deadline.

Change-Id: I5eaea677d605d9e05286e076ce8e6a23187c14e5
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

deliverables/ussuri/solum-dashboard.yaml

@@ -5,3 +5,11 @@ team: solum
 type: horizon-plugin
 repository-settings:
   openstack/solum-dashboard: {}
+releases:
+  - version: 4.0.0.0rc1
+    projects:
+      - repo: openstack/solum-dashboard
+        hash: e37246df9d1a61d339f380abfa29ed1224a637e0
+branches:
+  - name: stable/ussuri
+    location: 4.0.0.0rc1