Release blazar-dashboard for Ussuri

RC1 release for blazar-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: I9596befcd10bd67ce4a9984387ea4261ee0c32a5
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

deliverables/ussuri/blazar-dashboard.yaml

@@ -6,3 +6,11 @@ type: horizon-plugin
 release-type: horizon
 repository-settings:
   openstack/blazar-dashboard: {}
+releases:
+  - version: 3.0.0.0rc1
+    projects:
+      - repo: openstack/blazar-dashboard
+        hash: 26fda6b6976edef785b5a9f2e1ca6565e761d866
+branches:
+  - name: stable/ussuri
+    location: 3.0.0.0rc1