Add groups to gerrit

Add groups community portal to master project list, setup ACL and minimal gating.

Change-Id: Ia513509083d05b97e6e2db088e3d9c4d24e22776

modules/openstack_project/files/gerrit/acls/openstack-infra/groups.config

@@ -0,0 +1,13 @@
+[access "refs/*"]
+        create = group groups-core
+        pushTag = group groups-core
+[access "refs/heads/*"]
+        label-Approved = +0..+1 group groups-core
+        label-Code-Review = -2..+2 group groups-core
+[project]
+        state = active
+[receive]
+        requireChangeId = true
+        requireContributorAgreement = true
+[submit]
+        mergeContent = true

modules/openstack_project/files/zuul/layout.yaml

@@ -2780,3 +2780,9 @@ projects:
           - post-mirror-python26
           - post-mirror-python27
           - post-mirror-python33
+
+  - name: openstack-infra/groups
+    check:
+      - gate-noop
+    gate:
+      - gate-noop

modules/openstack_project/templates/review.projects.yaml.erb

@@ -374,3 +374,6 @@
 - project: stackforge/pecan
   description: "A WSGI object-dispatching web framework, designed to be lean and fast with few dependencies."
   upstream: git://github.com/dreamhost/pecan.git
+- project: openstack-infra/groups
+  description: "Openstack Groups community portal"
+  upstream: git://github.com/mkissam/groups.git